2122012102211 has 4 divisors (see below), whose sum is σ = 2122810153800. Its totient is φ = 2121214050624.

The previous prime is 2122012102159. The next prime is 2122012102283. The reversal of 2122012102211 is 1122012102212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122012102211 - 2³⁴ = 2104832233027 is a prime.

It is a super-2 number, since 2×2122012102211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012102211.

It is not an unprimeable number, because it can be changed into a prime (2122012101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399021806 + ... + 399027123.

It is an arithmetic number, because the mean of its divisors is an integer number (530702538450).

Almost surely, 2^{2122012102211} is an apocalyptic number.

2122012102211 is a deficient number, since it is larger than the sum of its proper divisors (798051589).

2122012102211 is an equidigital number, since it uses as much as digits as its factorization.

2122012102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798051588.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122012102211 its reverse (1122012102212), we get a palindrome (3244024204423).

Subtracting from 2122012102211 its reverse (1122012102212), we obtain a palindrome (999999999999).

The spelling of 2122012102211 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred two thousand, two hundred eleven".