22112020032001 has 4 divisors (see below), whose sum is σ = 22273421638212. Its totient is φ = 21950618425792.

The previous prime is 22112020031821. The next prime is 22112020032007. The reversal of 22112020032001 is 10023002021122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5536251349776 + 16575768682225 = 2352924^2 + 4071335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112020032001 is a prime.

It is a super-2 number, since 2×22112020032001² (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 (22112020032007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80700802900 + ... + 80700803173.

It is an arithmetic number, because the mean of its divisors is an integer number (5568355409553).

Almost surely, 2^{22112020032001} is an apocalyptic number.

It is an amenable number.

22112020032001 is a deficient number, since it is larger than the sum of its proper divisors (161401606211).

22112020032001 is a wasteful number, since it uses less digits than its factorization.

22112020032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161401606210.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22112020032001 its reverse (10023002021122), we get a palindrome (32135022053123).

The spelling of 22112020032001 in words is "twenty-two trillion, one hundred twelve billion, twenty million, thirty-two thousand, one".