202222212100157 has 2 divisors, whose sum is σ = 202222212100158. Its totient is φ = 202222212100156.

The previous prime is 202222212100141. The next prime is 202222212100231. The reversal of 202222212100157 is 751001212222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196065357447556 + 6156854652601 = 14002334^2 + 2481301^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222212100157 - 2⁴ = 202222212100141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222212100357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111106050078 + 101111106050079.

It is an arithmetic number, because the mean of its divisors is an integer number (101111106050079).

Almost surely, 2^{202222212100157} is an apocalyptic number.

It is an amenable number.

202222212100157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222212100157 is an equidigital number, since it uses as much as digits as its factorization.

202222212100157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 202222212100157 its reverse (751001212222202), we get a palindrome (953223424322359).

The spelling of 202222212100157 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred thousand, one hundred fifty-seven".