111031013020100 has 72 divisors (see below), whose sum is σ = 251877554513088. Its totient is φ = 42402906691200.

The previous prime is 111031013020079. The next prime is 111031013020111. The reversal of 111031013020100 is 1020310130111.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43371554 + ... + 45860153.

Almost surely, 2^{111031013020100} is an apocalyptic number.

111031013020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111031013020100 is an abundant number, since it is smaller than the sum of its proper divisors (140846541492988).

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

111031013020100 is a wasteful number, since it uses less digits than its factorization.

111031013020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89232285 (or 89232278 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111031013020100 its reverse (1020310130111), we get a palindrome (112051323150211).

The spelling of 111031013020100 in words is "one hundred eleven trillion, thirty-one billion, thirteen million, twenty thousand, one hundred".