111220313321132 has 24 divisors (see below), whose sum is σ = 196359137461536. Its totient is φ = 55117708386048.

The previous prime is 111220313321053. The next prime is 111220313321137. The reversal of 111220313321132 is 231123313022111.

It is a super-2 number, since 2×111220313321132² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111220313321137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88771313 + ... + 90015479.

It is an arithmetic number, because the mean of its divisors is an integer number (8181630727564).

Almost surely, 2^{111220313321132} is an apocalyptic number.

It is an amenable number.

111220313321132 is a deficient number, since it is larger than the sum of its proper divisors (85138824140404).

111220313321132 is a wasteful number, since it uses less digits than its factorization.

111220313321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442057 (or 1442055 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 111220313321132 its reverse (231123313022111), we get a palindrome (342343626343243).

The spelling of 111220313321132 in words is "one hundred eleven trillion, two hundred twenty billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-two".