20112321322001 has 8 divisors (see below), whose sum is σ = 20167058925000. Its totient is φ = 20057645537280.

The previous prime is 20112321321971. The next prime is 20112321322003. The reversal of 20112321322001 is 10022312321102.

It can be written as a sum of positive squares in 4 ways, for example, as 959663181376 + 19152658140625 = 979624^2 + 4376375^2 .

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-20112321322001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112321322003) 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, 14802956 + ... + 16104413.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882365625).

Almost surely, 2^{20112321322001} is an apocalyptic number.

It is an amenable number.

20112321322001 is a deficient number, since it is larger than the sum of its proper divisors (54737602999).

20112321322001 is a wasteful number, since it uses less digits than its factorization.

20112321322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30909139.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20112321322001 its reverse (10022312321102), we get a palindrome (30134633643103).

The spelling of 20112321322001 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-one million, three hundred twenty-two thousand, one".