20110321032001 has 4 divisors (see below), whose sum is σ = 20215610671104. Its totient is φ = 20005031392900.

The previous prime is 20110321031869. The next prime is 20110321032059. The reversal of 20110321032001 is 10023012301102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20110321032001 - 2²⁷ = 20110186814273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110321030001) 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, 52644819265 + ... + 52644819646.

It is an arithmetic number, because the mean of its divisors is an integer number (5053902667776).

Almost surely, 2^{20110321032001} is an apocalyptic number.

It is an amenable number.

20110321032001 is a deficient number, since it is larger than the sum of its proper divisors (105289639103).

20110321032001 is a wasteful number, since it uses less digits than its factorization.

20110321032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105289639102.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20110321032001 its reverse (10023012301102), we get a palindrome (30133333333103).

The spelling of 20110321032001 in words is "twenty trillion, one hundred ten billion, three hundred twenty-one million, thirty-two thousand, one".