111221020013032 has 8 divisors (see below), whose sum is σ = 208539412524450. Its totient is φ = 55610510006512.

The previous prime is 111221020013027. The next prime is 111221020013087. The reversal of 111221020013032 is 230310020122111.

It can be written as a sum of positive squares in only one way, i.e., 57265149255876 + 53955870757156 = 7567374^2 + 7345466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951313750807 + ... + 6951313750822.

Almost surely, 2^{111221020013032} is an apocalyptic number.

It is an amenable number.

111221020013032 is a deficient number, since it is larger than the sum of its proper divisors (97318392511418).

111221020013032 is a wasteful number, since it uses less digits than its factorization.

111221020013032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902627501635 (or 13902627501631 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111221020013032 its reverse (230310020122111), we get a palindrome (341531040135143).

The spelling of 111221020013032 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty million, thirteen thousand, thirty-two".