22100121233 has 4 divisors (see below), whose sum is σ = 22103250240. Its totient is φ = 22096992228.

The previous prime is 22100121229. The next prime is 22100121299. The reversal of 22100121233 is 33212100122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22100121233 - 2² = 22100121229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100121203) 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, 1553885 + ... + 1568042.

It is an arithmetic number, because the mean of its divisors is an integer number (5525812560).

Almost surely, 2^22100121233 is an apocalyptic number.

It is an amenable number.

22100121233 is a deficient number, since it is larger than the sum of its proper divisors (3129007).

22100121233 is an equidigital number, since it uses as much as digits as its factorization.

22100121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129006.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22100121233 its reverse (33212100122), we get a palindrome (55312221355).

The spelling of 22100121233 in words is "twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred thirty-three".