2120210022222 has 12 divisors (see below), whose sum is σ = 4593788381520. Its totient is φ = 706736674068.

The previous prime is 2120210022193. The next prime is 2120210022233. The reversal of 2120210022222 is 2222200120212.

2120210022222 is a `hidden beast` number, since 212 + 0 + 210 + 0 + 22 + 222 = 666.

It is a super-2 number, since 2×2120210022222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117789445679 = 2120210022222 / (2 + 1 + 2 + 0 + 2 + 1 + 0 + 0 + 2 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2120210022195 and 2120210022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58894722822 + ... + 58894722857.

It is an arithmetic number, because the mean of its divisors is an integer number (382815698460).

Almost surely, 2^{2120210022222} is an apocalyptic number.

2120210022222 is an abundant number, since it is smaller than the sum of its proper divisors (2473578359298).

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

2120210022222 is a wasteful number, since it uses less digits than its factorization.

2120210022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117789445687 (or 117789445684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2120210022222 its reverse (2222200120212), we get a palindrome (4342410142434).

The spelling of 2120210022222 in words is "two trillion, one hundred twenty billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".