22211031023231 has 8 divisors (see below), whose sum is σ = 22812104252784. Its totient is φ = 21609998588160.

The previous prime is 22211031023117. The next prime is 22211031023243. The reversal of 22211031023231 is 13232013011222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211031023231 is a prime.

It is a super-2 number, since 2×22211031023231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22211031023197 and 22211031023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211031023261) 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, 9093365 + ... + 11274366.

It is an arithmetic number, because the mean of its divisors is an integer number (2851513031598).

Almost surely, 2^{22211031023231} is an apocalyptic number.

22211031023231 is a deficient number, since it is larger than the sum of its proper divisors (601073229553).

22211031023231 is a wasteful number, since it uses less digits than its factorization.

22211031023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20397241.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22211031023231 its reverse (13232013011222), we get a palindrome (35443044034453).

The spelling of 22211031023231 in words is "twenty-two trillion, two hundred eleven billion, thirty-one million, twenty-three thousand, two hundred thirty-one".