100440111012 has 24 divisors (see below), whose sum is σ = 235013083200. Its totient is φ = 33386776416.

The previous prime is 100440110933. The next prime is 100440111029. The reversal of 100440111012 is 210111044001.

It is a junction number, because it is equal to n+sod(n) for n = 100440110982 and 100440111000.

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, 11653087 + ... + 11661702.

It is an arithmetic number, because the mean of its divisors is an integer number (9792211800).

Almost surely, 2^100440111012 is an apocalyptic number.

100440111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100440111012 is an abundant number, since it is smaller than the sum of its proper divisors (134572972188).

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

100440111012 is a wasteful number, since it uses less digits than its factorization.

100440111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23315155 (or 23315153 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100440111012 its reverse (210111044001), we get a palindrome (310551155013).

The spelling of 100440111012 in words is "one hundred billion, four hundred forty million, one hundred eleven thousand, twelve".