22033412121 has 16 divisors (see below), whose sum is σ = 34208210304. Its totient is φ = 12352963584.

The previous prime is 22033412083. The next prime is 22033412123. The reversal of 22033412121 is 12121433022.

It is not a de Polignac number, because 22033412121 - 2⁶ = 22033412057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22033412123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9897096 + ... + 9899321.

It is an arithmetic number, because the mean of its divisors is an integer number (2138013144).

Almost surely, 2^22033412121 is an apocalyptic number.

22033412121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22033412121 is a deficient number, since it is larger than the sum of its proper divisors (12174798183).

22033412121 is a wasteful number, since it uses less digits than its factorization.

22033412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796480.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22033412121 its reverse (12121433022), we get a palindrome (34154845143).

The spelling of 22033412121 in words is "twenty-two billion, thirty-three million, four hundred twelve thousand, one hundred twenty-one".