10122120899431 has 2 divisors, whose sum is σ = 10122120899432. Its totient is φ = 10122120899430.

The previous prime is 10122120899413. The next prime is 10122120899537. The reversal of 10122120899431 is 13499802122101.

Together with previous prime (10122120899413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10122120899431 - 2⁵ = 10122120899399 is a prime.

It is a super-2 number, since 2×10122120899431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122120891431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061060449715 + 5061060449716.

It is an arithmetic number, because the mean of its divisors is an integer number (5061060449716).

Almost surely, 2^{10122120899431} is an apocalyptic number.

10122120899431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122120899431 is an equidigital number, since it uses as much as digits as its factorization.

10122120899431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 10122120899431 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty million, eight hundred ninety-nine thousand, four hundred thirty-one".