202031220120001 has 16 divisors (see below), whose sum is σ = 217627856994240. Its totient is φ = 186931650044160.

The previous prime is 202031220119983. The next prime is 202031220120049. The reversal of 202031220120001 is 100021022130202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202031220120001 - 2⁵ = 202031220119969 is a prime.

It is a super-2 number, since 2×202031220120001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202031220130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34180 + ... + 20101333.

It is an arithmetic number, because the mean of its divisors is an integer number (13601741062140).

Almost surely, 2^{202031220120001} is an apocalyptic number.

It is an amenable number.

202031220120001 is a deficient number, since it is larger than the sum of its proper divisors (15596636874239).

202031220120001 is a wasteful number, since it uses less digits than its factorization.

202031220120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147856.

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

Adding to 202031220120001 its reverse (100021022130202), we get a palindrome (302052242250203).

The spelling of 202031220120001 in words is "two hundred two trillion, thirty-one billion, two hundred twenty million, one hundred twenty thousand, one".