122220211222120 has 32 divisors (see below), whose sum is σ = 299995063909920. Its totient is φ = 44443713171520.

The previous prime is 122220211222093. The next prime is 122220211222133. The reversal of 122220211222120 is 21222112022221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 122220211222091 and 122220211222100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138886603222 + ... + 138886604101.

It is an arithmetic number, because the mean of its divisors is an integer number (9374845747185).

Almost surely, 2^{122220211222120} is an apocalyptic number.

122220211222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220211222120 is an abundant number, since it is smaller than the sum of its proper divisors (177774852687800).

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

122220211222120 is a wasteful number, since it uses less digits than its factorization.

122220211222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277773207345 (or 277773207341 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122220211222120 its reverse (21222112022221), we get a palindrome (143442323244341).

The spelling of 122220211222120 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty".