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1010101002100 = 225290901111121
BaseRepresentation
bin11101011001011101011…
…01100001111101110100
310120120020200020111102221
432230232231201331310
5113022141324031400
62052011202012124
7132656146565521
oct16545655417564
93516220214387
101010101002100
1135a421756313
12143920947044
1374337b8a968
1436c63b7c148
151b41d425c1a
hexeb2eb61f74

1010101002100 has 36 divisors (see below), whose sum is σ = 2191963013548. Its totient is φ = 404032320000.

The previous prime is 1010101002059. The next prime is 1010101002149. The reversal of 1010101002100 is 12001010101.

It can be written as a sum of positive squares in 6 ways, for example, as 102250294756 + 907850707344 = 319766^2 + 952812^2 .

It is a congruent number.

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, 9034540 + ... + 9145660.

Almost surely, 21010101002100 is an apocalyptic number.

1010101002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010101002100 is an abundant number, since it is smaller than the sum of its proper divisors (1181862011448).

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

1010101002100 is a wasteful number, since it uses less digits than its factorization.

1010101002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202036 (or 202029 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1010101002100 its reverse (12001010101), we get a palindrome (1022102012201).

The spelling of 1010101002100 in words is "one trillion, ten billion, one hundred one million, two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 90901 111121 181802 222242 363604 444484 454505 555605 909010 1111210 1818020 2222420 2272525 2778025 4545050 5556050 9090100 11112100 10101010021 20202020042 40404040084 50505050105 101010100210 202020200420 252525250525 505050501050 1010101002100