202112101210211 has 2 divisors, whose sum is σ = 202112101210212. Its totient is φ = 202112101210210.

The previous prime is 202112101210171. The next prime is 202112101210249. The reversal of 202112101210211 is 112012101211202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202112101210211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202112101210211.

It is not a weakly prime, because it can be changed into another prime (202112101210511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056050605105 + 101056050605106.

It is an arithmetic number, because the mean of its divisors is an integer number (101056050605106).

Almost surely, 2^{202112101210211} is an apocalyptic number.

202112101210211 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112101210211 is an equidigital number, since it uses as much as digits as its factorization.

202112101210211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202112101210211 its reverse (112012101211202), we get a palindrome (314124202421413).

Subtracting from 202112101210211 its reverse (112012101211202), we obtain a palindrome (90099999999009).

The spelling of 202112101210211 in words is "two hundred two trillion, one hundred twelve billion, one hundred one million, two hundred ten thousand, two hundred eleven".