22111020233 has 32 divisors (see below), whose sum is σ = 25644003840. Its totient is φ = 18930862080.

The previous prime is 22111020221. The next prime is 22111020247. The reversal of 22111020233 is 33202011122.

It is a cyclic number.

It is not a de Polignac number, because 22111020233 - 2⁸ = 22111019977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111022233) 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, 790853 + ... + 818333.

It is an arithmetic number, because the mean of its divisors is an integer number (801375120).

Almost surely, 2^22111020233 is an apocalyptic number.

It is an amenable number.

22111020233 is a deficient number, since it is larger than the sum of its proper divisors (3532983607).

22111020233 is a wasteful number, since it uses less digits than its factorization.

22111020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27617.

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

Adding to 22111020233 its reverse (33202011122), we get a palindrome (55313031355).

The spelling of 22111020233 in words is "twenty-two billion, one hundred eleven million, twenty thousand, two hundred thirty-three".