2122021211211 has 112 divisors (see below), whose sum is σ = 3538052542080. Its totient is φ = 1261382751360.

The previous prime is 2122021211201. The next prime is 2122021211221. The reversal of 2122021211211 is 1121121202212.

2122021211211 is a `hidden beast` number, since 2 + 1 + 220 + 21 + 211 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (2122021211201) and next prime (2122021211221).

It is not a de Polignac number, because 2122021211211 - 2⁷ = 2122021211083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122021211201) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 92503735 + ... + 92526671.

It is an arithmetic number, because the mean of its divisors is an integer number (31589754840).

Almost surely, 2^{2122021211211} is an apocalyptic number.

2122021211211 is a deficient number, since it is larger than the sum of its proper divisors (1416031330869).

2122021211211 is a wasteful number, since it uses less digits than its factorization.

2122021211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23188 (or 23173 counting only the distinct ones).

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

Adding to 2122021211211 its reverse (1121121202212), we get a palindrome (3243142413423).

The spelling of 2122021211211 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred eleven thousand, two hundred eleven".