111220133332 has 72 divisors (see below), whose sum is σ = 256106249280. Its totient is φ = 41051819520.

The previous prime is 111220133327. The next prime is 111220133357. The reversal of 111220133332 is 233331022111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388957 + ... + 611332.

It is an arithmetic number, because the mean of its divisors is an integer number (3557031240).

Almost surely, 2^111220133332 is an apocalyptic number.

It is an amenable number.

111220133332 is an abundant number, since it is smaller than the sum of its proper divisors (144886115948).

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

111220133332 is a wasteful number, since it uses less digits than its factorization.

111220133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000349 (or 1000328 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111220133332 its reverse (233331022111), we get a palindrome (344551155443).

The spelling of 111220133332 in words is "one hundred eleven billion, two hundred twenty million, one hundred thirty-three thousand, three hundred thirty-two".