2122111022211 has 12 divisors (see below), whose sum is σ = 3078656944480. Its totient is φ = 1408562773200.

The previous prime is 2122111022149. The next prime is 2122111022221. The reversal of 2122111022211 is 1122201112212.

2122111022211 is a `hidden beast` number, since 212 + 211 + 10 + 22 + 211 = 666.

It is not a de Polignac number, because 2122111022211 - 2⁹ = 2122111021699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122111022221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514823515 + ... + 514827636.

Almost surely, 2^{2122111022211} is an apocalyptic number.

2122111022211 is a deficient number, since it is larger than the sum of its proper divisors (956545922269).

2122111022211 is a wasteful number, since it uses less digits than its factorization.

2122111022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029651386 (or 1029651383 counting only the distinct ones).

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

Adding to 2122111022211 its reverse (1122201112212), we get a palindrome (3244312134423).

Subtracting from 2122111022211 its reverse (1122201112212), we obtain a palindrome (999909909999).

The spelling of 2122111022211 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, two hundred eleven".