22121133122 has 24 divisors (see below), whose sum is σ = 37016838768. Its totient is φ = 9904977720.

The previous prime is 22121133121. The next prime is 22121133239. The reversal of 22121133122 is 22133112122.

It is a junction number, because it is equal to n+sod(n) for n = 22121133094 and 22121133103.

It is not an unprimeable number, because it can be changed into a prime (22121133121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665948 + ... + 698375.

It is an arithmetic number, because the mean of its divisors is an integer number (1542368282).

Almost surely, 2^22121133122 is an apocalyptic number.

22121133122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121133122 is a deficient number, since it is larger than the sum of its proper divisors (14895705646).

22121133122 is a wasteful number, since it uses less digits than its factorization.

22121133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364414 (or 1364403 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 22121133122 its reverse (22133112122), we get a palindrome (44254245244).

The spelling of 22121133122 in words is "twenty-two billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty-two".