22311100121 has 4 divisors (see below), whose sum is σ = 22416840144. Its totient is φ = 22205360100.

The previous prime is 22311100111. The next prime is 22311100153. The reversal of 22311100121 is 12100111322.

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 22311100121 - 2³⁰ = 21237358297 is a prime.

It is a super-3 number, since 3×22311100121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22311100096 and 22311100105.

It is not an unprimeable number, because it can be changed into a prime (22311100111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52869695 + ... + 52870116.

It is an arithmetic number, because the mean of its divisors is an integer number (5604210036).

Almost surely, 2^22311100121 is an apocalyptic number.

It is an amenable number.

22311100121 is a deficient number, since it is larger than the sum of its proper divisors (105740023).

22311100121 is a wasteful number, since it uses less digits than its factorization.

22311100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105740022.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22311100121 its reverse (12100111322), we get a palindrome (34411211443).

The spelling of 22311100121 in words is "twenty-two billion, three hundred eleven million, one hundred thousand, one hundred twenty-one".