111220220120000 has 70 divisors (see below), whose sum is σ = 275789999425248. Its totient is φ = 44488088032000.

The previous prime is 111220220119993. The next prime is 111220220120017. The reversal of 111220220120000 is 21022022111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1390212752 + ... + 1390292751.

Almost surely, 2^{111220220120000} is an apocalyptic number.

111220220120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220220120000 is an abundant number, since it is smaller than the sum of its proper divisors (164569779305248).

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

111220220120000 is an frugal number, since it uses more digits than its factorization.

111220220120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780505535 (or 2780505510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111220220120000 its reverse (21022022111), we get a palindrome (111241242142111).

The spelling of 111220220120000 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty thousand".