202010111122211 has 4 divisors (see below), whose sum is σ = 230868698425392. Its totient is φ = 173151523819032.

The previous prime is 202010111122199. The next prime is 202010111122217. The reversal of 202010111122211 is 112221111010202.

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 202010111122211 - 2²² = 202010106927907 is a prime.

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 202010111122211.

It is not an unprimeable number, because it can be changed into a prime (202010111122217) 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, 14429293651580 + ... + 14429293651593.

It is an arithmetic number, because the mean of its divisors is an integer number (57717174606348).

Almost surely, 2^{202010111122211} is an apocalyptic number.

202010111122211 is a deficient number, since it is larger than the sum of its proper divisors (28858587303181).

202010111122211 is an equidigital number, since it uses as much as digits as its factorization.

202010111122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28858587303180.

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

Adding to 202010111122211 its reverse (112221111010202), we get a palindrome (314231222132413).

The spelling of 202010111122211 in words is "two hundred two trillion, ten billion, one hundred eleven million, one hundred twenty-two thousand, two hundred eleven".