22131112201 has 16 divisors (see below), whose sum is σ = 25660477440. Its totient is φ = 18875218320.

The previous prime is 22131112183. The next prime is 22131112217. The reversal of 22131112201 is 10221113122.

It is a cyclic number.

It is not a de Polignac number, because 22131112201 - 2⁹ = 22131111689 is a prime.

It is a super-2 number, since 2×22131112201² (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 (22131116201) 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, 492505 + ... + 535558.

It is an arithmetic number, because the mean of its divisors is an integer number (1603779840).

Almost surely, 2^22131112201 is an apocalyptic number.

It is an amenable number.

22131112201 is a deficient number, since it is larger than the sum of its proper divisors (3529365239).

22131112201 is a wasteful number, since it uses less digits than its factorization.

22131112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028196.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22131112201 its reverse (10221113122), we get a palindrome (32352225323).

The spelling of 22131112201 in words is "twenty-two billion, one hundred thirty-one million, one hundred twelve thousand, two hundred one".