221002132023120 has 160 divisors (see below), whose sum is σ = 782987648440320. Its totient is φ = 50514213911040.

The previous prime is 221002132023089. The next prime is 221002132023139. The reversal of 221002132023120 is 21320231200122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 161909085 + ... + 163268355.

It is an arithmetic number, because the mean of its divisors is an integer number (4893672802752).

Almost surely, 2^{221002132023120} is an apocalyptic number.

221002132023120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002132023120 is an abundant number, since it is smaller than the sum of its proper divisors (561985516417200).

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

221002132023120 is a wasteful number, since it uses less digits than its factorization.

221002132023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456073 (or 1456067 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221002132023120 its reverse (21320231200122), we get a palindrome (242322363223242).

The spelling of 221002132023120 in words is "two hundred twenty-one trillion, two billion, one hundred thirty-two million, twenty-three thousand, one hundred twenty".