12232100122211 has 2 divisors, whose sum is σ = 12232100122212. Its totient is φ = 12232100122210.

The previous prime is 12232100122189. The next prime is 12232100122213. The reversal of 12232100122211 is 11222100123221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232100122211 is a prime.

It is a super-2 number, since 2×12232100122211² (a number of 27 digits) contains 22 as substring.

Together with 12232100122213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12232100122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116050061105 + 6116050061106.

It is an arithmetic number, because the mean of its divisors is an integer number (6116050061106).

Almost surely, 2^{12232100122211} is an apocalyptic number.

12232100122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232100122211 is an equidigital number, since it uses as much as digits as its factorization.

12232100122211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12232100122211 its reverse (11222100123221), we get a palindrome (23454200245432).

The spelling of 12232100122211 in words is "twelve trillion, two hundred thirty-two billion, one hundred million, one hundred twenty-two thousand, two hundred eleven".