22211331133231 has 8 divisors (see below), whose sum is σ = 22810638424320. Its totient is φ = 21617304082968.

The previous prime is 22211331133193. The next prime is 22211331133237. The reversal of 22211331133231 is 13233113311222.

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 22211331133231 - 2⁹ = 22211331132719 is a prime.

It is a super-2 number, since 2×22211331133231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211331133231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211331133237) 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, 1320051681 + ... + 1320068506.

It is an arithmetic number, because the mean of its divisors is an integer number (2851329803040).

Almost surely, 2^{22211331133231} is an apocalyptic number.

22211331133231 is a deficient number, since it is larger than the sum of its proper divisors (599307291089).

22211331133231 is a wasteful number, since it uses less digits than its factorization.

22211331133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640120413.

The product of its digits is 3888, while the sum is 28.

Adding to 22211331133231 its reverse (13233113311222), we get a palindrome (35444444444453).

The spelling of 22211331133231 in words is "twenty-two trillion, two hundred eleven billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred thirty-one".