221002200002120 has 32 divisors (see below), whose sum is σ = 518874730441920. Its totient is φ = 84557363478720.

The previous prime is 221002200002119. The next prime is 221002200002257. The reversal of 221002200002120 is 21200002200122.

It is a junction number, because it is equal to n+sod(n) for n = 221002200002095 and 221002200002104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120109890386 + ... + 120109892225.

It is an arithmetic number, because the mean of its divisors is an integer number (16214835326310).

Almost surely, 2^{221002200002120} is an apocalyptic number.

221002200002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002200002120 is an abundant number, since it is smaller than the sum of its proper divisors (297872530439800).

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

221002200002120 is a wasteful number, since it uses less digits than its factorization.

221002200002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240219782645 (or 240219782641 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221002200002120 its reverse (21200002200122), we get a palindrome (242202202202242).

It can be divided in two parts, 221002200002 and 120, that added together give a palindrome (221002200122).

The spelling of 221002200002120 in words is "two hundred twenty-one trillion, two billion, two hundred million, two thousand, one hundred twenty".