2120122211211 has 48 divisors (see below), whose sum is σ = 3175383635424. Its totient is φ = 1362008673792.

The previous prime is 2120122211197. The next prime is 2120122211219. The reversal of 2120122211211 is 1121122210212.

2120122211211 is a `hidden beast` number, since 2 + 120 + 122 + 211 + 211 = 666.

It is not a de Polignac number, because 2120122211211 - 2⁶ = 2120122211147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120122211219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269972161 + ... + 269980013.

It is an arithmetic number, because the mean of its divisors is an integer number (66153825738).

Almost surely, 2^{2120122211211} is an apocalyptic number.

2120122211211 is a deficient number, since it is larger than the sum of its proper divisors (1055261424213).

2120122211211 is a wasteful number, since it uses less digits than its factorization.

2120122211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15580 (or 15577 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2120122211211 its reverse (1121122210212), we get a palindrome (3241244421423).

Subtracting from 2120122211211 its reverse (1121122210212), we obtain a palindrome (999000000999).

The spelling of 2120122211211 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred eleven".