22333013011021 has 4 divisors (see below), whose sum is σ = 22334903568252. Its totient is φ = 22331122453792.

The previous prime is 22333013011013. The next prime is 22333013011033. The reversal of 22333013011021 is 12011031033322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11776297218921 + 10556715792100 = 3431661^2 + 3249110^2 .

It is a cyclic number.

It is not a de Polignac number, because 22333013011021 - 2³ = 22333013011013 is a prime.

It is a super-4 number, since 4×22333013011021⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22333013010983 and 22333013011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22333013011051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945260896 + ... + 945284521.

It is an arithmetic number, because the mean of its divisors is an integer number (5583725892063).

Almost surely, 2^{22333013011021} is an apocalyptic number.

It is an amenable number.

22333013011021 is a deficient number, since it is larger than the sum of its proper divisors (1890557231).

22333013011021 is a wasteful number, since it uses less digits than its factorization.

22333013011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890557230.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 22333013011021 its reverse (12011031033322), we get a palindrome (34344044044343).

The spelling of 22333013011021 in words is "twenty-two trillion, three hundred thirty-three billion, thirteen million, eleven thousand, twenty-one".