22111021333133 has 4 divisors (see below), whose sum is σ = 22150717960860. Its totient is φ = 22071324705408.

The previous prime is 22111021333097. The next prime is 22111021333139. The reversal of 22111021333133 is 33133312011122.

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 11194089903049 + 10916931430084 = 3345757^2 + 3304078^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111021333133 - 2⁴² = 17712974822029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111021333139) 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, 19848313028 + ... + 19848314141.

It is an arithmetic number, because the mean of its divisors is an integer number (5537679490215).

Almost surely, 2^{22111021333133} is an apocalyptic number.

It is an amenable number.

22111021333133 is a deficient number, since it is larger than the sum of its proper divisors (39696627727).

22111021333133 is an equidigital number, since it uses as much as digits as its factorization.

22111021333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39696627726.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 22111021333133 its reverse (33133312011122), we get a palindrome (55244333344255).

The spelling of 22111021333133 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, three hundred thirty-three thousand, one hundred thirty-three".