22121002201122 has 96 divisors (see below), whose sum is σ = 53692363048896. Its totient is φ = 6524141299200.

The previous prime is 22121002201097. The next prime is 22121002201139. The reversal of 22121002201122 is 22110220012122.

It is a happy number.

22121002201122 is a `hidden beast` number, since 221 + 2 + 100 + 220 + 1 + 122 = 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 = 22121002201095 and 22121002201104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2230683 + ... + 7015550.

It is an arithmetic number, because the mean of its divisors is an integer number (559295448426).

Almost surely, 2^{22121002201122} is an apocalyptic number.

22121002201122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121002201122 is an abundant number, since it is smaller than the sum of its proper divisors (31571360847774).

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

22121002201122 is a wasteful number, since it uses less digits than its factorization.

22121002201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246576 (or 9246573 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22121002201122 its reverse (22110220012122), we get a palindrome (44231222213244).

The spelling of 22121002201122 in words is "twenty-two trillion, one hundred twenty-one billion, two million, two hundred one thousand, one hundred twenty-two".