122020221120 has 112 divisors (see below), whose sum is σ = 442759112448. Its totient is φ = 27890334720.

The previous prime is 122020221109. The next prime is 122020221121. The reversal of 122020221120 is 21122020221.

It is a tau number, because it is divible by the number of its divisors (112).

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 122020221120.

It is not an unprimeable number, because it can be changed into a prime (122020221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9072166 + ... + 9085605.

Almost surely, 2^122020221120 is an apocalyptic number.

122020221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020221120 is an abundant number, since it is smaller than the sum of its proper divisors (320738891328).

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

122020221120 is a wasteful number, since it uses less digits than its factorization.

122020221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18157798 (or 18157788 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122020221120 its reverse (21122020221), we get a palindrome (143142241341).

The spelling of 122020221120 in words is "one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, one hundred twenty".