20220001102221 has 16 divisors (see below), whose sum is σ = 26992712947200. Its totient is φ = 13463646541488.

The previous prime is 20220001102211. The next prime is 20220001102229. The reversal of 20220001102221 is 12220110002202.

It is not a de Polignac number, because 20220001102221 - 2⁶ = 20220001102157 is a prime.

It is a super-2 number, since 2×20220001102221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220001102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220001102229) 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, 55375570 + ... + 55739516.

It is an arithmetic number, because the mean of its divisors is an integer number (1687044559200).

Almost surely, 2^{20220001102221} is an apocalyptic number.

It is an amenable number.

20220001102221 is a deficient number, since it is larger than the sum of its proper divisors (6772711844979).

20220001102221 is a wasteful number, since it uses less digits than its factorization.

20220001102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386368.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20220001102221 its reverse (12220110002202), we get a palindrome (32440111104423).

The spelling of 20220001102221 in words is "twenty trillion, two hundred twenty billion, one million, one hundred two thousand, two hundred twenty-one".