221200020002022 has 48 divisors (see below), whose sum is σ = 443840078635968. Its totient is φ = 73493731833840.

The previous prime is 221200020001999. The next prime is 221200020002029. The reversal of 221200020002022 is 220200020002122.

221200020002022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221200020001992 and 221200020002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200020002029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23726265853 + ... + 23726275175.

It is an arithmetic number, because the mean of its divisors is an integer number (9246668304916).

Almost surely, 2^{221200020002022} is an apocalyptic number.

221200020002022 is an abundant number, since it is smaller than the sum of its proper divisors (222640058633946).

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

221200020002022 is an frugal number, since it uses more digits than its factorization.

221200020002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985 (or 10662 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221200020002022 its reverse (220200020002122), we get a palindrome (441400040004144).

The spelling of 221200020002022 in words is "two hundred twenty-one trillion, two hundred billion, twenty million, two thousand, twenty-two".