222112020102157 has 2 divisors, whose sum is σ = 222112020102158. Its totient is φ = 222112020102156.

The previous prime is 222112020102079. The next prime is 222112020102221. The reversal of 222112020102157 is 751201020211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207987997960521 + 14124022141636 = 14421789^2 + 3758194^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112020102157 - 2³⁵ = 222077660363789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112020102257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056010051078 + 111056010051079.

It is an arithmetic number, because the mean of its divisors is an integer number (111056010051079).

Almost surely, 2^{222112020102157} is an apocalyptic number.

It is an amenable number.

222112020102157 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112020102157 is an equidigital number, since it uses as much as digits as its factorization.

222112020102157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 222112020102157 its reverse (751201020211222), we get a palindrome (973313040313379).

The spelling of 222112020102157 in words is "two hundred twenty-two trillion, one hundred twelve billion, twenty million, one hundred two thousand, one hundred fifty-seven".