10561423122 has 48 divisors (see below), whose sum is σ = 23054803200. Its totient is φ = 3494145600.

The previous prime is 10561423109. The next prime is 10561423189. The reversal of 10561423122 is 22132416501.

10561423122 is a `hidden beast` number, since 1 + 0 + 5 + 614 + 23 + 1 + 22 = 666.

It is a super-2 number, since 2×10561423122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1540422 + ... + 1547262.

It is an arithmetic number, because the mean of its divisors is an integer number (480308400).

Almost surely, 2^10561423122 is an apocalyptic number.

10561423122 is an abundant number, since it is smaller than the sum of its proper divisors (12493380078).

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

10561423122 is a wasteful number, since it uses less digits than its factorization.

10561423122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479 (or 7476 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 10561423122 its reverse (22132416501), we get a palindrome (32693839623).

The spelling of 10561423122 in words is "ten billion, five hundred sixty-one million, four hundred twenty-three thousand, one hundred twenty-two".