221002220211040 has 96 divisors (see below), whose sum is σ = 533246033043360. Its totient is φ = 86529594691584.

The previous prime is 221002220211011. The next prime is 221002220211041. The reversal of 221002220211040 is 40112022200122.

It is a junction number, because it is equal to n+sod(n) for n = 221002220210999 and 221002220211017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002220211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48039219 + ... + 52438258.

It is an arithmetic number, because the mean of its divisors is an integer number (5554646177535).

Almost surely, 2^{221002220211040} is an apocalyptic number.

221002220211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002220211040 is an abundant number, since it is smaller than the sum of its proper divisors (312243812832320).

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

221002220211040 is a wasteful number, since it uses less digits than its factorization.

221002220211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100477784 (or 100477776 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221002220211040 its reverse (40112022200122), we get a palindrome (261114242411162).

The spelling of 221002220211040 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, two hundred eleven thousand, forty".