221002021102330 has 32 divisors (see below), whose sum is σ = 428410340530704. Its totient is φ = 81599522881536.

The previous prime is 221002021102279. The next prime is 221002021102339. The reversal of 221002021102330 is 33201120200122.

It can be written as a sum of positive squares in 8 ways, for example, as 78359125329 + 220923661977001 = 279927^2 + 14863501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221002021102298 and 221002021102307.

It is not an unprimeable number, because it can be changed into a prime (221002021102339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4016007 + ... + 21404026.

Almost surely, 2^{221002021102330} is an apocalyptic number.

221002021102330 is a deficient number, since it is larger than the sum of its proper divisors (207408319428374).

221002021102330 is a wasteful number, since it uses less digits than its factorization.

221002021102330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25486930.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221002021102330 its reverse (33201120200122), we get a palindrome (254203141302452).

The spelling of 221002021102330 in words is "two hundred twenty-one trillion, two billion, twenty-one million, one hundred two thousand, three hundred thirty".