221002110010 has 64 divisors (see below), whose sum is σ = 443393906688. Its totient is φ = 78632640000.

The previous prime is 221002109953. The next prime is 221002110053. The reversal of 221002110010 is 10011200122.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 1195390 + ... + 1367830.

It is an arithmetic number, because the mean of its divisors is an integer number (6928029792).

Almost surely, 2^221002110010 is an apocalyptic number.

221002110010 is an abundant number, since it is smaller than the sum of its proper divisors (222391796678).

221002110010 is a wasteful number, since it uses less digits than its factorization.

221002110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172711.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 221002110010 its reverse (10011200122), we get a palindrome (231013310132).

The spelling of 221002110010 in words is "two hundred twenty-one billion, two million, one hundred ten thousand, ten".