22111323011 has 8 divisors (see below), whose sum is σ = 22205910240. Its totient is φ = 22016919808.

The previous prime is 22111322939. The next prime is 22111323041. The reversal of 22111323011 is 11032311122.

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 22111323011 - 2¹⁴ = 22111306627 is a prime.

It is a super-2 number, since 2×22111323011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111323041) 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, 197555 + ... + 288531.

It is an arithmetic number, because the mean of its divisors is an integer number (2775738780).

Almost surely, 2^22111323011 is an apocalyptic number.

22111323011 is a deficient number, since it is larger than the sum of its proper divisors (94587229).

22111323011 is an equidigital number, since it uses as much as digits as its factorization.

22111323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92013.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22111323011 its reverse (11032311122), we get a palindrome (33143634133).

The spelling of 22111323011 in words is "twenty-two billion, one hundred eleven million, three hundred twenty-three thousand, eleven".