22333111121 has 4 divisors (see below), whose sum is σ = 22412026992. Its totient is φ = 22254195252.

The previous prime is 22333111079. The next prime is 22333111147. The reversal of 22333111121 is 12111133322.

It is a happy number.

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 22333111121 - 2¹⁰ = 22333110097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22333111093 and 22333111102.

It is not an unprimeable number, because it can be changed into a prime (22333011121) 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, 39457511 + ... + 39458076.

It is an arithmetic number, because the mean of its divisors is an integer number (5603006748).

Almost surely, 2^22333111121 is an apocalyptic number.

It is an amenable number.

22333111121 is a deficient number, since it is larger than the sum of its proper divisors (78915871).

22333111121 is an equidigital number, since it uses as much as digits as its factorization.

22333111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78915870.

The product of its digits is 216, while the sum is 20.

Adding to 22333111121 its reverse (12111133322), we get a palindrome (34444244443).

The spelling of 22333111121 in words is "twenty-two billion, three hundred thirty-three million, one hundred eleven thousand, one hundred twenty-one".