2021022112211 has 2 divisors, whose sum is σ = 2021022112212. Its totient is φ = 2021022112210.

The previous prime is 2021022112147. The next prime is 2021022112267. The reversal of 2021022112211 is 1122112201202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021022112211 - 2⁶ = 2021022112147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021022112211.

It is not a weakly prime, because it can be changed into another prime (2021022012211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010511056105 + 1010511056106.

It is an arithmetic number, because the mean of its divisors is an integer number (1010511056106).

Almost surely, 2^{2021022112211} is an apocalyptic number.

2021022112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021022112211 is an equidigital number, since it uses as much as digits as its factorization.

2021022112211 is an evil number, because the sum of its binary digits is even.

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

Adding to 2021022112211 its reverse (1122112201202), we get a palindrome (3143134313413).

The spelling of 2021022112211 in words is "two trillion, twenty-one billion, twenty-two million, one hundred twelve thousand, two hundred eleven".