22051123130 has 32 divisors (see below), whose sum is σ = 42102479376. Its totient is φ = 8286659584.

The previous prime is 22051123123. The next prime is 22051123169. The reversal of 22051123130 is 3132115022.

It can be written as a sum of positive squares in 8 ways, for example, as 6222212161 + 15828910969 = 78881^2 + 125813^2 .

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21749 + ... + 211128.

Almost surely, 2^22051123130 is an apocalyptic number.

22051123130 is a deficient number, since it is larger than the sum of its proper divisors (20051356246).

22051123130 is a wasteful number, since it uses less digits than its factorization.

22051123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233458.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 22051123130 its reverse (3132115022), we get a palindrome (25183238152).

The spelling of 22051123130 in words is "twenty-two billion, fifty-one million, one hundred twenty-three thousand, one hundred thirty".