20032122121201 has 4 divisors (see below), whose sum is σ = 20042886294004. Its totient is φ = 20021357948400.

The previous prime is 20032122121183. The next prime is 20032122121247. The reversal of 20032122121201 is 10212122123002.

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 177389222976 + 19854732898225 = 421176^2 + 4455865^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032122121201 - 2³⁵ = 19997762382833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032122121601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5382083610 + ... + 5382087331.

It is an arithmetic number, because the mean of its divisors is an integer number (5010721573501).

Almost surely, 2^{20032122121201} is an apocalyptic number.

It is an amenable number.

20032122121201 is a deficient number, since it is larger than the sum of its proper divisors (10764172803).

20032122121201 is a wasteful number, since it uses less digits than its factorization.

20032122121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764172802.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20032122121201 its reverse (10212122123002), we get a palindrome (30244244244203).

The spelling of 20032122121201 in words is "twenty trillion, thirty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred one".