221002210012210 has 32 divisors (see below), whose sum is σ = 448932388996800. Its totient is φ = 77593252416960.

The previous prime is 221002210012201. The next prime is 221002210012231. The reversal of 221002210012210 is 12210012200122.

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, 34639841640 + ... + 34639848019.

It is an arithmetic number, because the mean of its divisors is an integer number (14029137156150).

Almost surely, 2^{221002210012210} is an apocalyptic number.

221002210012210 is an abundant number, since it is smaller than the sum of its proper divisors (227930178984590).

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

221002210012210 is a wasteful number, since it uses less digits than its factorization.

221002210012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69279689706.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002210012210 its reverse (12210012200122), we get a palindrome (233212222212332).

The spelling of 221002210012210 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, twelve thousand, two hundred ten".