122210201020157 has 2 divisors, whose sum is σ = 122210201020158. Its totient is φ = 122210201020156.

The previous prime is 122210201020129. The next prime is 122210201020213. The reversal of 122210201020157 is 751020102012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66917978876281 + 55292222143876 = 8180341^2 + 7435874^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210201020157 - 2⁸ = 122210201019901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122210209020157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105100510078 + 61105100510079.

It is an arithmetic number, because the mean of its divisors is an integer number (61105100510079).

Almost surely, 2^{122210201020157} is an apocalyptic number.

It is an amenable number.

122210201020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210201020157 is an equidigital number, since it uses as much as digits as its factorization.

122210201020157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 122210201020157 its reverse (751020102012221), we get a palindrome (873230303032378).

The spelling of 122210201020157 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred one million, twenty thousand, one hundred fifty-seven".