22121000022264 has 192 divisors, whose sum is σ = 67580436585600. Its totient is φ = 5974323264000.

The previous prime is 22121000022263. The next prime is 22121000022323. The reversal of 22121000022264 is 46222000012122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121000022263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7254562 + ... + 9842289.

It is an arithmetic number, because the mean of its divisors is an integer number (351981440550).

Almost surely, 2^{22121000022264} is an apocalyptic number.

22121000022264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22121000022264 is an abundant number, since it is smaller than the sum of its proper divisors (45459436563336).

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

22121000022264 is a wasteful number, since it uses less digits than its factorization.

22121000022264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17096926 (or 17096909 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22121000022264 its reverse (46222000012122), we get a palindrome (68343000034386).

The spelling of 22121000022264 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two thousand, two hundred sixty-four".