22601363121 has 16 divisors (see below), whose sum is σ = 34638105600. Its totient is φ = 14548003344.

The previous prime is 22601363117. The next prime is 22601363123. The reversal of 22601363121 is 12136310622.

22601363121 is a `hidden beast` number, since 2 + 2 + 6 + 0 + 1 + 3 + 631 + 21 = 666.

It is not a de Polignac number, because 22601363121 - 2² = 22601363117 is a prime.

It is a super-2 number, since 2×22601363121² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22601363123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14431761 + ... + 14433326.

It is an arithmetic number, because the mean of its divisors is an integer number (2164881600).

Almost surely, 2^22601363121 is an apocalyptic number.

It is an amenable number.

22601363121 is a deficient number, since it is larger than the sum of its proper divisors (12036742479).

22601363121 is a wasteful number, since it uses less digits than its factorization.

22601363121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28865125 (or 28865119 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 22601363121 its reverse (12136310622), we get a palindrome (34737673743).

The spelling of 22601363121 in words is "twenty-two billion, six hundred one million, three hundred sixty-three thousand, one hundred twenty-one".