22231212110111 has 8 divisors (see below), whose sum is σ = 23410957904880. Its totient is φ = 21052434515328.

The previous prime is 22231212110069. The next prime is 22231212110113. The reversal of 22231212110111 is 11101121213222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22231212110111 - 2³⁴ = 22214032240927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231212110113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242002856 + ... + 242094701.

It is an arithmetic number, because the mean of its divisors is an integer number (2926369738110).

Almost surely, 2^{22231212110111} is an apocalyptic number.

22231212110111 is a deficient number, since it is larger than the sum of its proper divisors (1179745794769).

22231212110111 is a wasteful number, since it uses less digits than its factorization.

22231212110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484099993.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 22231212110111 its reverse (11101121213222), we get a palindrome (33332333323333).

The spelling of 22231212110111 in words is "twenty-two trillion, two hundred thirty-one billion, two hundred twelve million, one hundred ten thousand, one hundred eleven".