10122131011 has 4 divisors (see below), whose sum is σ = 10125676792. Its totient is φ = 10118585232.

The previous prime is 10122130981. The next prime is 10122131023. The reversal of 10122131011 is 11013122101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10122131011 - 2⁷ = 10122130883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122130982 and 10122131000.

It is not an unprimeable number, because it can be changed into a prime (10122131081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768605 + ... + 1774318.

It is an arithmetic number, because the mean of its divisors is an integer number (2531419198).

Almost surely, 2^10122131011 is an apocalyptic number.

10122131011 is a deficient number, since it is larger than the sum of its proper divisors (3545781).

10122131011 is an equidigital number, since it uses as much as digits as its factorization.

10122131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545780.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10122131011 its reverse (11013122101), we get a palindrome (21135253112).

The spelling of 10122131011 in words is "ten billion, one hundred twenty-two million, one hundred thirty-one thousand, eleven".