2122220222120 has 32 divisors (see below), whose sum is σ = 4982604001920. Its totient is φ = 811979910720.

The previous prime is 2122220222119. The next prime is 2122220222123. The reversal of 2122220222120 is 212220222212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2122220222092 and 2122220222101.

It is not an unprimeable number, because it can be changed into a prime (2122220222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153379636 + ... + 1153381475.

It is an arithmetic number, because the mean of its divisors is an integer number (155706375060).

Almost surely, 2^{2122220222120} is an apocalyptic number.

2122220222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122220222120 is an abundant number, since it is smaller than the sum of its proper divisors (2860383779800).

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

2122220222120 is a wasteful number, since it uses less digits than its factorization.

2122220222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306761145 (or 2306761141 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2122220222120 its reverse (212220222212), we get a palindrome (2334440444332).

The spelling of 2122220222120 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty".