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102212100000100 = 225210110120009901
BaseRepresentation
bin10111001111011000011011…
…111010011000100101100100
3111101220101021222201202110001
4113033120123322120211210
5101344120340100000400
61001215331314511044
730346403056663456
oct2717303372304544
9441811258652401
10102212100000100
112a6279a9871342
12b569481595484
1345057377a484c
141b351407922d6
15bc3b88146a6a
hex5cf61be98964

102212100000100 has 36 divisors (see below), whose sum is σ = 223996299170868. Its totient is φ = 40480039600000.

The previous prime is 102212100000079. The next prime is 102212100000121. The reversal of 102212100000100 is 1000001212201.

It is an interprime number because it is at equal distance from previous prime (102212100000079) and next prime (102212100000121).

It can be written as a sum of positive squares in 6 ways, for example, as 18872838226944 + 83339261773156 = 4344288^2 + 9129034^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5059994851 + ... + 5060015050.

It is an arithmetic number, because the mean of its divisors is an integer number (6222119421413).

Almost surely, 2102212100000100 is an apocalyptic number.

102212100000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212100000100 is an abundant number, since it is smaller than the sum of its proper divisors (121784199170768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212100000100 is a wasteful number, since it uses less digits than its factorization.

102212100000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120010016 (or 10120010009 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102212100000100 its reverse (1000001212201), we get a palindrome (103212101212301).

The spelling of 102212100000100 in words is "one hundred two trillion, two hundred twelve billion, one hundred million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 5050 10100 10120009901 20240019802 40480039604 50600049505 101200099010 202400198020 253000247525 506000495050 1012000990100 1022121000001 2044242000002 4088484000004 5110605000005 10221210000010 20442420000020 25553025000025 51106050000050 102212100000100