2123231110422 has 16 divisors (see below), whose sum is σ = 4361231470512. Its totient is φ = 688615495200.

The previous prime is 2123231110397. The next prime is 2123231110463. The reversal of 2123231110422 is 2240111323212.

It is a super-2 number, since 2×2123231110422² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123231110392 and 2123231110401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4782051829 + ... + 4782052272.

It is an arithmetic number, because the mean of its divisors is an integer number (272576966907).

Almost surely, 2^{2123231110422} is an apocalyptic number.

2123231110422 is an abundant number, since it is smaller than the sum of its proper divisors (2238000360090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123231110422 is a wasteful number, since it uses less digits than its factorization.

2123231110422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564104143.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2123231110422 its reverse (2240111323212), we get a palindrome (4363342433634).

The spelling of 2123231110422 in words is "two trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred ten thousand, four hundred twenty-two".