111103122100400 has 60 divisors (see below), whose sum is σ = 266972424557400. Its totient is φ = 44433394736640.

The previous prime is 111103122100393. The next prime is 111103122100427. The reversal of 111103122100400 is 4001221301111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22277645 + ... + 26804844.

It is an arithmetic number, because the mean of its divisors is an integer number (4449540409290).

Almost surely, 2^{111103122100400} is an apocalyptic number.

111103122100400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103122100400 is an abundant number, since it is smaller than the sum of its proper divisors (155869302457000).

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

111103122100400 is a wasteful number, since it uses less digits than its factorization.

111103122100400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49088166 (or 49088155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111103122100400 its reverse (4001221301111), we get a palindrome (115104343401511).

The spelling of 111103122100400 in words is "one hundred eleven trillion, one hundred three billion, one hundred twenty-two million, one hundred thousand, four hundred".