2122210122120 has 96 divisors (see below), whose sum is σ = 7524199537920. Its totient is φ = 514475180160.

The previous prime is 2122210122013. The next prime is 2122210122139. The reversal of 2122210122120 is 212210122212.

It is a happy number.

2122210122120 is a `hidden beast` number, since 212 + 2 + 210 + 1 + 221 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2122210122093 and 2122210122102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267951864 + ... + 267959783.

It is an arithmetic number, because the mean of its divisors is an integer number (78377078520).

Almost surely, 2^{2122210122120} is an apocalyptic number.

2122210122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122210122120 is an abundant number, since it is smaller than the sum of its proper divisors (5401989415800).

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

2122210122120 is a wasteful number, since it uses less digits than its factorization.

2122210122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535911675 (or 535911668 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122210122120 its reverse (212210122212), we get a palindrome (2334420244332).

The spelling of 2122210122120 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty".