221002220122120 has 32 divisors (see below), whose sum is σ = 500305639432320. Its totient is φ = 87858551309760.

The previous prime is 221002220122091. The next prime is 221002220122153. The reversal of 221002220122120 is 21221022200122.

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, 16948016496 + ... + 16948029535.

It is an arithmetic number, because the mean of its divisors is an integer number (15634551232260).

Almost surely, 2^{221002220122120} is an apocalyptic number.

221002220122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002220122120 is an abundant number, since it is smaller than the sum of its proper divisors (279303419310200).

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

221002220122120 is a wasteful number, since it uses less digits than its factorization.

221002220122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33896046205 (or 33896046201 counting only the distinct ones).

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

Adding to 221002220122120 its reverse (21221022200122), we get a palindrome (242223242322242).

The spelling of 221002220122120 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty".