100111202011992 has 32 divisors (see below), whose sum is σ = 250278686970480. Its totient is φ = 33370309745280.

The previous prime is 100111202011967. The next prime is 100111202012071. The reversal of 100111202011992 is 299110202111001.

It is a super-3 number, since 3×100111202011992³ (a number of 43 digits) contains 333 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, 3619642 + ... + 14605622.

Almost surely, 2^{100111202011992} is an apocalyptic number.

100111202011992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100111202011992 is an abundant number, since it is smaller than the sum of its proper divisors (150167484958488).

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

100111202011992 is a wasteful number, since it uses less digits than its factorization.

100111202011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365683 (or 11365679 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

Adding to 100111202011992 its reverse (299110202111001), we get a palindrome (399221404122993).

The spelling of 100111202011992 in words is "one hundred trillion, one hundred eleven billion, two hundred two million, eleven thousand, nine hundred ninety-two".