22101111131209 has 16 divisors (see below), whose sum is σ = 24670369382400. Its totient is φ = 19626832031760.

The previous prime is 22101111131201. The next prime is 22101111131249. The reversal of 22101111131209 is 90213111110122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22101111131209 - 2³ = 22101111131201 is a prime.

It is a super-2 number, since 2×22101111131209² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101111131201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40598409 + ... + 41139190.

It is an arithmetic number, because the mean of its divisors is an integer number (1541898086400).

Almost surely, 2^{22101111131209} is an apocalyptic number.

It is an amenable number.

22101111131209 is a deficient number, since it is larger than the sum of its proper divisors (2569258251191).

22101111131209 is a wasteful number, since it uses less digits than its factorization.

22101111131209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81738180.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 22101111131209 in words is "twenty-two trillion, one hundred one billion, one hundred eleven million, one hundred thirty-one thousand, two hundred nine".