20211200201022 has 64 divisors (see below), whose sum is σ = 40648859596800. Its totient is φ = 6699427637760.

The previous prime is 20211200201011. The next prime is 20211200201047. The reversal of 20211200201022 is 22010200211202.

It is a super-2 number, since 2×20211200201022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211200200992 and 20211200201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3662109979 + ... + 3662115497.

It is an arithmetic number, because the mean of its divisors is an integer number (635138431200).

Almost surely, 2^{20211200201022} is an apocalyptic number.

20211200201022 is an abundant number, since it is smaller than the sum of its proper divisors (20437659395778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211200201022 is a wasteful number, since it uses less digits than its factorization.

20211200201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641.

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

Adding to 20211200201022 its reverse (22010200211202), we get a palindrome (42221400412224).

The spelling of 20211200201022 in words is "twenty trillion, two hundred eleven billion, two hundred million, two hundred one thousand, twenty-two".