22121302222998 has 96 divisors (see below), whose sum is σ = 56034646117632. Its totient is φ = 6238675080000.

The previous prime is 22121302222991. The next prime is 22121302223029. The reversal of 22121302222998 is 89922220312122.

22121302222998 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 130 + 222 + 299 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121302222991) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 65474128 + ... + 65811123.

It is an arithmetic number, because the mean of its divisors is an integer number (583694230392).

Almost surely, 2^{22121302222998} is an apocalyptic number.

22121302222998 is an abundant number, since it is smaller than the sum of its proper divisors (33913343894634).

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

22121302222998 is a wasteful number, since it uses less digits than its factorization.

22121302222998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131285330 (or 131285327 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 22121302222998 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred two million, two hundred twenty-two thousand, nine hundred ninety-eight".