10121011157 has 2 divisors, whose sum is σ = 10121011158. Its totient is φ = 10121011156.

The previous prime is 10121011111. The next prime is 10121011231. The reversal of 10121011157 is 75111012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9816648241 + 304362916 = 99079^2 + 17446^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121011157 - 2⁸ = 10121010901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121011457) 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, 5060505578 + 5060505579.

It is an arithmetic number, because the mean of its divisors is an integer number (5060505579).

Almost surely, 2^10121011157 is an apocalyptic number.

It is an amenable number.

10121011157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121011157 is an equidigital number, since it uses as much as digits as its factorization.

10121011157 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10121011157 its reverse (75111012101), we get a palindrome (85232023258).

The spelling of 10121011157 in words is "ten billion, one hundred twenty-one million, eleven thousand, one hundred fifty-seven".