220111021120 has 56 divisors (see below), whose sum is σ = 541047115008. Its totient is φ = 85204262400.

The previous prime is 220111021087. The next prime is 220111021121. The reversal of 220111021120 is 21120111022.

It is a self number, because there is not a number n which added to its sum of digits gives 220111021120.

It is not an unprimeable number, because it can be changed into a prime (220111021121) 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, 11084386 + ... + 11104225.

Almost surely, 2^220111021120 is an apocalyptic number.

220111021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111021120 is an abundant number, since it is smaller than the sum of its proper divisors (320936093888).

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

220111021120 is a wasteful number, since it uses less digits than its factorization.

220111021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188659 (or 22188649 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220111021120 its reverse (21120111022), we get a palindrome (241231132142).

The spelling of 220111021120 in words is "two hundred twenty billion, one hundred eleven million, twenty-one thousand, one hundred twenty".