221102120020200 has 48 divisors (see below), whose sum is σ = 685416572064480. Its totient is φ = 58960565338560.

The previous prime is 221102120020193. The next prime is 221102120020237. The reversal of 221102120020200 is 2020021201122.

It is a super-2 number, since 2×221102120020200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 221102120020200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184251766084 + ... + 184251767283.

It is an arithmetic number, because the mean of its divisors is an integer number (14279511918010).

Almost surely, 2^{221102120020200} is an apocalyptic number.

221102120020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221102120020200 is an abundant number, since it is smaller than the sum of its proper divisors (464314452044280).

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

221102120020200 is a wasteful number, since it uses less digits than its factorization.

221102120020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368503533386 (or 368503533377 counting only the distinct ones).

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

Adding to 221102120020200 its reverse (2020021201122), we get a palindrome (223122141221322).

The spelling of 221102120020200 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twenty million, twenty thousand, two hundred".