22312002232111 has 4 divisors (see below), whose sum is σ = 22322632059000. Its totient is φ = 22301372405224.

The previous prime is 22312002232099. The next prime is 22312002232139. The reversal of 22312002232111 is 11123220021322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22312002232111 - 2¹⁵ = 22312002199343 is a prime.

It is a super-3 number, since 3×22312002232111³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312002232511) 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, 5314910296 + ... + 5314914493.

It is an arithmetic number, because the mean of its divisors is an integer number (5580658014750).

Almost surely, 2^{22312002232111} is an apocalyptic number.

22312002232111 is a deficient number, since it is larger than the sum of its proper divisors (10629826889).

22312002232111 is a wasteful number, since it uses less digits than its factorization.

22312002232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10629826888.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22312002232111 its reverse (11123220021322), we get a palindrome (33435222253433).

The spelling of 22312002232111 in words is "twenty-two trillion, three hundred twelve billion, two million, two hundred thirty-two thousand, one hundred eleven".