22125231205251 has 16 divisors (see below), whose sum is σ = 29821526512800. Its totient is φ = 14590366548480.

The previous prime is 22125231205237. The next prime is 22125231205283. The reversal of 22125231205251 is 15250213252122.

It is not a de Polignac number, because 22125231205251 - 2¹⁵ = 22125231172483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22125231207251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102583480 + ... + 102798933.

It is an arithmetic number, because the mean of its divisors is an integer number (1863845407050).

Almost surely, 2^{22125231205251} is an apocalyptic number.

22125231205251 is a deficient number, since it is larger than the sum of its proper divisors (7696295307549).

22125231205251 is a wasteful number, since it uses less digits than its factorization.

22125231205251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205382806.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 22125231205251 its reverse (15250213252122), we get a palindrome (37375444457373).

The spelling of 22125231205251 in words is "twenty-two trillion, one hundred twenty-five billion, two hundred thirty-one million, two hundred five thousand, two hundred fifty-one".