120020221111200 has 72 divisors (see below), whose sum is σ = 390665819724768. Its totient is φ = 32005392295680.

The previous prime is 120020221111169. The next prime is 120020221111201. The reversal of 120020221111200 is 2111122020021.

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 120020221111200.

It is not an unprimeable number, because it can be changed into a prime (120020221111201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25004210332 + ... + 25004215131.

It is an arithmetic number, because the mean of its divisors is an integer number (5425914162844).

Almost surely, 2^{120020221111200} is an apocalyptic number.

120020221111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020221111200 is an abundant number, since it is smaller than the sum of its proper divisors (270645598613568).

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

120020221111200 is a wasteful number, since it uses less digits than its factorization.

120020221111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50008425486 (or 50008425473 counting only the distinct ones).

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

Adding to 120020221111200 its reverse (2111122020021), we get a palindrome (122131343131221).

The spelling of 120020221111200 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-one million, one hundred eleven thousand, two hundred".