1220110101232 has 40 divisors (see below), whose sum is σ = 2604402472752. Its totient is φ = 549104448000.

The previous prime is 1220110101167. The next prime is 1220110101251. The reversal of 1220110101232 is 2321010110221.

It is a super-2 number, since 2×1220110101232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34301253 + ... + 34336804.

Almost surely, 2^{1220110101232} is an apocalyptic number.

It is an amenable number.

1220110101232 is an abundant number, since it is smaller than the sum of its proper divisors (1384292371520).

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

1220110101232 is a wasteful number, since it uses less digits than its factorization.

1220110101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68638177 (or 68638171 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220110101232 its reverse (2321010110221), we get a palindrome (3541120211453).

The spelling of 1220110101232 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred one thousand, two hundred thirty-two".