2212021120122 has 36 divisors (see below), whose sum is σ = 5268022755450. Its totient is φ = 670309429680.

The previous prime is 2212021120091. The next prime is 2212021120189. The reversal of 2212021120122 is 2210211202122.

It is a happy number.

2212021120122 is a `hidden beast` number, since 221 + 202 + 1 + 120 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1976923172961 + 235097947161 = 1406031^2 + 484869^2 .

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 = 2212021120095 and 2212021120104.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 507807997 + ... + 507812352.

Almost surely, 2^{2212021120122} is an apocalyptic number.

2212021120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212021120122 is an abundant number, since it is smaller than the sum of its proper divisors (3056001635328).

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

2212021120122 is a wasteful number, since it uses less digits than its factorization.

2212021120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015620379 (or 1015620365 counting only the distinct ones).

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

Adding to 2212021120122 its reverse (2210211202122), we get a palindrome (4422232322244).

The spelling of 2212021120122 in words is "two trillion, two hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".