100191900102 has 32 divisors (see below), whose sum is σ = 230209081344. Its totient is φ = 28476379200.

The previous prime is 100191900101. The next prime is 100191900113. The reversal of 100191900102 is 201009191001.

It is a super-2 number, since 2×100191900102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100191900101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6236799 + ... + 6252842.

It is an arithmetic number, because the mean of its divisors is an integer number (7194033792).

Almost surely, 2^100191900102 is an apocalyptic number.

100191900102 is an abundant number, since it is smaller than the sum of its proper divisors (130017181242).

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

100191900102 is a wasteful number, since it uses less digits than its factorization.

100191900102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12489844.

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

The spelling of 100191900102 in words is "one hundred billion, one hundred ninety-one million, nine hundred thousand, one hundred two".