100111111011012 has 96 divisors (see below), whose sum is σ = 236654385537024. Its totient is φ = 32935404499200.

The previous prime is 100111111010987. The next prime is 100111111011013. The reversal of 100111111011012 is 210110111111001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100111111011013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795789837 + ... + 795915627.

It is an arithmetic number, because the mean of its divisors is an integer number (2465149849344).

Almost surely, 2^{100111111011012} is an apocalyptic number.

100111111011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100111111011012 is an abundant number, since it is smaller than the sum of its proper divisors (136543274526012).

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

100111111011012 is a wasteful number, since it uses less digits than its factorization.

100111111011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128209 (or 128207 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 100111111011012 its reverse (210110111111001), we get a palindrome (310221222122013).

The spelling of 100111111011012 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, eleven thousand, twelve".