202220001251 has 2 divisors, whose sum is σ = 202220001252. Its totient is φ = 202220001250.

The previous prime is 202220001163. The next prime is 202220001271. The reversal of 202220001251 is 152100022202.

202220001251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202220001251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (202220001271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110000625 + 101110000626.

It is an arithmetic number, because the mean of its divisors is an integer number (101110000626).

Almost surely, 2^202220001251 is an apocalyptic number.

202220001251 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220001251 is an equidigital number, since it uses as much as digits as its factorization.

202220001251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 202220001251 its reverse (152100022202), we get a palindrome (354320023453).

The spelling of 202220001251 in words is "two hundred two billion, two hundred twenty million, one thousand, two hundred fifty-one".