100100100111020 has 12 divisors (see below), whose sum is σ = 210210210233184. Its totient is φ = 40040040044400.

The previous prime is 100100100111019. The next prime is 100100100111113. The reversal of 100100100111020 is 20111001001001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100100100110989 and 100100100111007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502502502756 + ... + 2502502502795.

It is an arithmetic number, because the mean of its divisors is an integer number (17517517519432).

Almost surely, 2^{100100100111020} is an apocalyptic number.

100100100111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100100111020 is an abundant number, since it is smaller than the sum of its proper divisors (110110110122164).

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

100100100111020 is a wasteful number, since it uses less digits than its factorization.

100100100111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005005005560 (or 5005005005558 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100100100111020 its reverse (20111001001001), we get a palindrome (120211101112021).

The spelling of 100100100111020 in words is "one hundred trillion, one hundred billion, one hundred million, one hundred eleven thousand, twenty".