10422121231 has 4 divisors (see below), whose sum is σ = 10447603600. Its totient is φ = 10396638864.

The previous prime is 10422121217. The next prime is 10422121247. The reversal of 10422121231 is 13212122401.

10422121231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10422121231 is a prime.

It is a super-2 number, since 2×10422121231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10422121199 and 10422121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10422121211) 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 in 3 ways as a sum of consecutive naturals, for example, 12740571 + ... + 12741388.

It is an arithmetic number, because the mean of its divisors is an integer number (2611900900).

Almost surely, 2^10422121231 is an apocalyptic number.

10422121231 is a deficient number, since it is larger than the sum of its proper divisors (25482369).

10422121231 is an equidigital number, since it uses as much as digits as its factorization.

10422121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25482368.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10422121231 its reverse (13212122401), we get a palindrome (23634243632).

The spelling of 10422121231 in words is "ten billion, four hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty-one".