20220021100201 has 16 divisors (see below), whose sum is σ = 22151282657728. Its totient is φ = 18342978638400.

The previous prime is 20220021100199. The next prime is 20220021100229. The reversal of 20220021100201 is 10200112002202.

It is a happy number.

It is not a de Polignac number, because 20220021100201 - 2¹ = 20220021100199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220021100261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9958731 + ... + 11815936.

It is an arithmetic number, because the mean of its divisors is an integer number (1384455166108).

Almost surely, 2^{20220021100201} is an apocalyptic number.

It is an amenable number.

20220021100201 is a deficient number, since it is larger than the sum of its proper divisors (1931261557527).

20220021100201 is a wasteful number, since it uses less digits than its factorization.

20220021100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21775912.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220021100201 its reverse (10200112002202), we get a palindrome (30420133102403).

The spelling of 20220021100201 in words is "twenty trillion, two hundred twenty billion, twenty-one million, one hundred thousand, two hundred one".