13333121022 has 64 divisors (see below), whose sum is σ = 30603847680. Its totient is φ = 3840612864.

The previous prime is 13333120991. The next prime is 13333121023. The reversal of 13333121022 is 22012133331.

It is a self number, because there is not a number n which added to its sum of digits gives 13333121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333121023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5254 + ... + 163382.

It is an arithmetic number, because the mean of its divisors is an integer number (478185120).

Almost surely, 2^13333121022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13333121022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15301923840).

13333121022 is an abundant number, since it is smaller than the sum of its proper divisors (17270726658).

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

13333121022 is a wasteful number, since it uses less digits than its factorization.

13333121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158217.

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

Adding to 13333121022 its reverse (22012133331), we get a palindrome (35345254353).

The spelling of 13333121022 in words is "thirteen billion, three hundred thirty-three million, one hundred twenty-one thousand, twenty-two".