111421102120344 has 48 divisors (see below), whose sum is σ = 302831794098600. Its totient is φ = 37009129319424.

The previous prime is 111421102120333. The next prime is 111421102120357. The reversal of 111421102120344 is 443021201124111.

111421102120344 is a `hidden beast` number, since 1 + 1 + 1 + 421 + 10 + 21 + 203 + 4 + 4 = 666.

It is a congruent number.

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, 2734105609 + ... + 2734146360.

Almost surely, 2^{111421102120344} is an apocalyptic number.

It is an amenable number.

111421102120344 is an abundant number, since it is smaller than the sum of its proper divisors (191410691978256).

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

111421102120344 is a wasteful number, since it uses less digits than its factorization.

111421102120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468252264 (or 5468252257 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 111421102120344 its reverse (443021201124111), we get a palindrome (554442303244455).

The spelling of 111421102120344 in words is "one hundred eleven trillion, four hundred twenty-one billion, one hundred two million, one hundred twenty thousand, three hundred forty-four".