22233121011 has 24 divisors (see below), whose sum is σ = 32680224720. Its totient is φ = 14563224000.

The previous prime is 22233121003. The next prime is 22233121013. The reversal of 22233121011 is 11012133222.

It is not a de Polignac number, because 22233121011 - 2³ = 22233121003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22233121013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25725 + ... + 212433.

It is an arithmetic number, because the mean of its divisors is an integer number (1361676030).

Almost surely, 2^22233121011 is an apocalyptic number.

22233121011 is a deficient number, since it is larger than the sum of its proper divisors (10447103709).

22233121011 is a wasteful number, since it uses less digits than its factorization.

22233121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186947 (or 186944 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22233121011 its reverse (11012133222), we get a palindrome (33245254233).

It can be divided in two parts, 222331 and 21011, that added together give a palindrome (243342).

The spelling of 22233121011 in words is "twenty-two billion, two hundred thirty-three million, one hundred twenty-one thousand, eleven".