100111100222040 has 64 divisors (see below), whose sum is σ = 300340066203360. Its totient is φ = 26695692011520.

The previous prime is 100111100222009. The next prime is 100111100222041. The reversal of 100111100222040 is 40222001111001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111100222041) 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, 4034691 + ... + 14713970.

Almost surely, 2^{100111100222040} is an apocalyptic number.

100111100222040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111100222040 is an abundant number, since it is smaller than the sum of its proper divisors (200228965981320).

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

100111100222040 is a wasteful number, since it uses less digits than its factorization.

100111100222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18793172 (or 18793168 counting only the distinct ones).

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

Adding to 100111100222040 its reverse (40222001111001), we get a palindrome (140333101333041).

The spelling of 100111100222040 in words is "one hundred trillion, one hundred eleven billion, one hundred million, two hundred twenty-two thousand, forty".