22031232220111 has 8 divisors (see below), whose sum is σ = 22544731146960. Its totient is φ = 21517785324672.

The previous prime is 22031232220099. The next prime is 22031232220171. The reversal of 22031232220111 is 11102223213022.

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 22031232220111 - 2²¹ = 22031230122959 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 (22031232220171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12150490 + ... + 13845463.

It is an arithmetic number, because the mean of its divisors is an integer number (2818091393370).

Almost surely, 2^{22031232220111} is an apocalyptic number.

22031232220111 is a deficient number, since it is larger than the sum of its proper divisors (513498926849).

22031232220111 is a wasteful number, since it uses less digits than its factorization.

22031232220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015705.

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

Adding to 22031232220111 its reverse (11102223213022), we get a palindrome (33133455433133).

The spelling of 22031232220111 in words is "twenty-two trillion, thirty-one billion, two hundred thirty-two million, two hundred twenty thousand, one hundred eleven".