221003023023210 has 32 divisors (see below), whose sum is σ = 530455966413120. Its totient is φ = 58928727122048.

The previous prime is 221003023023197. The next prime is 221003023023229. The reversal of 221003023023210 is 12320320300122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337939812 + ... + 338593151.

It is an arithmetic number, because the mean of its divisors is an integer number (16576748950410).

Almost surely, 2^{221003023023210} is an apocalyptic number.

221003023023210 is an abundant number, since it is smaller than the sum of its proper divisors (309452943389910).

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

221003023023210 is a wasteful number, since it uses less digits than its factorization.

221003023023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676543862.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221003023023210 its reverse (12320320300122), we get a palindrome (233323343323332).

The spelling of 221003023023210 in words is "two hundred twenty-one trillion, three billion, twenty-three million, twenty-three thousand, two hundred ten".