101901900102 has 16 divisors (see below), whose sum is σ = 203837399040. Its totient is φ = 33961700232.

The previous prime is 101901900073. The next prime is 101901900127. The reversal of 101901900102 is 201009109101.

It is a super-2 number, since 2×101901900102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360438 + ... + 1433385.

It is an arithmetic number, because the mean of its divisors is an integer number (12739837440).

Almost surely, 2^101901900102 is an apocalyptic number.

101901900102 is an abundant number, since it is smaller than the sum of its proper divisors (101935498938).

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

101901900102 is a wasteful number, since it uses less digits than its factorization.

101901900102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799907.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 101901900102 in words is "one hundred one billion, nine hundred one million, nine hundred thousand, one hundred two".