10121145157 has 2 divisors, whose sum is σ = 10121145158. Its totient is φ = 10121145156.

The previous prime is 10121145137. The next prime is 10121145161. The reversal of 10121145157 is 75154112101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9837862596 + 283282561 = 99186^2 + 16831^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121145157 - 2¹⁵ = 10121112389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121145137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060572578 + 5060572579.

It is an arithmetic number, because the mean of its divisors is an integer number (5060572579).

Almost surely, 2^10121145157 is an apocalyptic number.

It is an amenable number.

10121145157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121145157 is an equidigital number, since it uses as much as digits as its factorization.

10121145157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 28.

Adding to 10121145157 its reverse (75154112101), we get a palindrome (85275257258).

The spelling of 10121145157 in words is "ten billion, one hundred twenty-one million, one hundred forty-five thousand, one hundred fifty-seven".