22121313033 has 16 divisors (see below), whose sum is σ = 30450580992. Its totient is φ = 14269920000.

The previous prime is 22121313007. The next prime is 22121313041. The reversal of 22121313033 is 33031312122.

It is not a de Polignac number, because 22121313033 - 2¹⁰ = 22121312009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121313073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143703 + ... + 1162883.

It is an arithmetic number, because the mean of its divisors is an integer number (1903161312).

Almost surely, 2^22121313033 is an apocalyptic number.

It is an amenable number.

22121313033 is a deficient number, since it is larger than the sum of its proper divisors (8329267959).

22121313033 is a wasteful number, since it uses less digits than its factorization.

22121313033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31616.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22121313033 its reverse (33031312122), we get a palindrome (55152625155).

The spelling of 22121313033 in words is "twenty-two billion, one hundred twenty-one million, three hundred thirteen thousand, thirty-three".