22112110011001 has 8 divisors (see below), whose sum is σ = 22162879773000. Its totient is φ = 22061347015680.

The previous prime is 22112110010989. The next prime is 22112110011007. The reversal of 22112110011001 is 10011001121122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 655055516025 + 21457054494976 = 809355^2 + 4632176^2 .

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-22112110011001 is a prime.

It is a super-2 number, since 2×22112110011001² (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 (22112110011007) 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, 4880695 + ... + 8248963.

It is an arithmetic number, because the mean of its divisors is an integer number (2770359971625).

Almost surely, 2^{22112110011001} is an apocalyptic number.

It is an amenable number.

22112110011001 is a deficient number, since it is larger than the sum of its proper divisors (50769761999).

22112110011001 is a wasteful number, since it uses less digits than its factorization.

22112110011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383339.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22112110011001 its reverse (10011001121122), we get a palindrome (32123111132123).

The spelling of 22112110011001 in words is "twenty-two trillion, one hundred twelve billion, one hundred ten million, eleven thousand, one".