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102222220000000 = 28575986629
BaseRepresentation
bin10111001111100001110111…
…000111000111101100000000
3111101221100102021022000111011
4113033201313013013230000
5101344302101310000000
61001224123425330304
730350211622366402
oct2717416707075400
9441840367260434
10102222220000000
112a631222298021
12b56b426796994
13450668b2b8b79
141b35820830b72
15bc407b80a2ba
hex5cf8771c7b00

102222220000000 has 288 divisors, whose sum is σ = 259381738324800. Its totient is φ = 40195392000000.

The previous prime is 102222219999967. The next prime is 102222220000001. The reversal of 102222220000000 is 22222201.

It is not an unprimeable number, because it can be changed into a prime (102222220000001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1179956686 + ... + 1180043314.

It is an arithmetic number, because the mean of its divisors is an integer number (900631035850).

Almost surely, 2102222220000000 is an apocalyptic number.

102222220000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222220000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129690869162400).

102222220000000 is an abundant number, since it is smaller than the sum of its proper divisors (157159518324800).

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

102222220000000 is an frugal number, since it uses more digits than its factorization.

102222220000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86739 (or 86695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 102222220000000 its reverse (22222201), we get a palindrome (102222242222201).

The spelling of 102222220000000 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty million", and thus it is an aban number.