221002122033 has 64 divisors (see below), whose sum is σ = 409530992640. Its totient is φ = 114432004800.

The previous prime is 221002122007. The next prime is 221002122049. The reversal of 221002122033 is 330221200122.

It is not a de Polignac number, because 221002122033 - 2⁵ = 221002122001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221002121997 and 221002122015.

It is not an unprimeable number, because it can be changed into a prime (221002122053) 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 63 ways as a sum of consecutive naturals, for example, 465123 + ... + 811383.

It is an arithmetic number, because the mean of its divisors is an integer number (6398921760).

Almost surely, 2^221002122033 is an apocalyptic number.

It is an amenable number.

221002122033 is a deficient number, since it is larger than the sum of its proper divisors (188528870607).

221002122033 is a wasteful number, since it uses less digits than its factorization.

221002122033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346595 (or 346589 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221002122033 its reverse (330221200122), we get a palindrome (551223322155).

The spelling of 221002122033 in words is "two hundred twenty-one billion, two million, one hundred twenty-two thousand, thirty-three".