22002031121022 has 96 divisors (see below), whose sum is σ = 50805151604064. Its totient is φ = 6857619148800.

The previous prime is 22002031121011. The next prime is 22002031121023. The reversal of 22002031121022 is 22012113020022.

22002031121022 is a `hidden beast` number, since 220 + 0 + 203 + 11 + 210 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22002031120986 and 22002031121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002031121023) 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, 30692733 + ... + 31401399.

It is an arithmetic number, because the mean of its divisors is an integer number (529220329209).

Almost surely, 2^{22002031121022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002031121022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25402575802032).

22002031121022 is an abundant number, since it is smaller than the sum of its proper divisors (28803120483042).

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

22002031121022 is a wasteful number, since it uses less digits than its factorization.

22002031121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709354 (or 709351 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22002031121022 its reverse (22012113020022), we get a palindrome (44014144141044).

The spelling of 22002031121022 in words is "twenty-two trillion, two billion, thirty-one million, one hundred twenty-one thousand, twenty-two".