2021112331211 has 2 divisors, whose sum is σ = 2021112331212. Its totient is φ = 2021112331210.

The previous prime is 2021112331171. The next prime is 2021112331229. The reversal of 2021112331211 is 1121332111202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021112331211 - 2²² = 2021108136907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021112336211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010556165605 + 1010556165606.

It is an arithmetic number, because the mean of its divisors is an integer number (1010556165606).

Almost surely, 2^{2021112331211} is an apocalyptic number.

2021112331211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021112331211 is an equidigital number, since it uses as much as digits as its factorization.

2021112331211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2021112331211 its reverse (1121332111202), we get a palindrome (3142444442413).

The spelling of 2021112331211 in words is "two trillion, twenty-one billion, one hundred twelve million, three hundred thirty-one thousand, two hundred eleven".