2122211211122 has 4 divisors (see below), whose sum is σ = 3183316816686. Its totient is φ = 1061105605560.

The previous prime is 2122211211067. The next prime is 2122211211143. The reversal of 2122211211122 is 2211121122212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2108620547881 + 13590663241 = 1452109^2 + 116579^2 .

It is a super-2 number, since 2×2122211211122² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2122211211094 and 2122211211103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530552802779 + ... + 530552802782.

Almost surely, 2^{2122211211122} is an apocalyptic number.

2122211211122 is a deficient number, since it is larger than the sum of its proper divisors (1061105605564).

2122211211122 is a wasteful number, since it uses less digits than its factorization.

2122211211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061105605563.

The product of its digits is 128, while the sum is 20.

Adding to 2122211211122 its reverse (2211121122212), we get a palindrome (4333332333334).

The spelling of 2122211211122 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty-two".