111021022200120 has 64 divisors (see below), whose sum is σ = 338708203344000. Its totient is φ = 29103815987328.

The previous prime is 111021022200113. The next prime is 111021022200157. The reversal of 111021022200120 is 21002220120111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111021022200120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7840460590 + ... + 7840474749.

It is an arithmetic number, because the mean of its divisors is an integer number (5292315677250).

Almost surely, 2^{111021022200120} is an apocalyptic number.

111021022200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111021022200120 is an abundant number, since it is smaller than the sum of its proper divisors (227687181143880).

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

111021022200120 is a wasteful number, since it uses less digits than its factorization.

111021022200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680935412 (or 15680935408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111021022200120 its reverse (21002220120111), we get a palindrome (132023242320231).

The spelling of 111021022200120 in words is "one hundred eleven trillion, twenty-one billion, twenty-two million, two hundred thousand, one hundred twenty".