202111022051 has 2 divisors, whose sum is σ = 202111022052. Its totient is φ = 202111022050.

The previous prime is 202111022027. The next prime is 202111022053. The reversal of 202111022051 is 150220111202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202111022051 - 2³⁴ = 184931152867 is a prime.

Together with 202111022053, 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 (202111022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055511025 + 101055511026.

It is an arithmetic number, because the mean of its divisors is an integer number (101055511026).

Almost surely, 2^202111022051 is an apocalyptic number.

202111022051 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111022051 is an equidigital number, since it uses as much as digits as its factorization.

202111022051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 202111022051 its reverse (150220111202), we get a palindrome (352331133253).

The spelling of 202111022051 in words is "two hundred two billion, one hundred eleven million, twenty-two thousand, fifty-one".