10121101157 has 2 divisors, whose sum is σ = 10121101158. Its totient is φ = 10121101156.

The previous prime is 10121101141. The next prime is 10121101219. The reversal of 10121101157 is 75110112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9952257121 + 168844036 = 99761^2 + 12994^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121101157 - 2⁴ = 10121101141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121101057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060550578 + 5060550579.

It is an arithmetic number, because the mean of its divisors is an integer number (5060550579).

Almost surely, 2^10121101157 is an apocalyptic number.

It is an amenable number.

10121101157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121101157 is an equidigital number, since it uses as much as digits as its factorization.

10121101157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 20.

Adding to 10121101157 its reverse (75110112101), we get a palindrome (85231213258).

The spelling of 10121101157 in words is "ten billion, one hundred twenty-one million, one hundred one thousand, one hundred fifty-seven".