221002102212010 has 128 divisors (see below), whose sum is σ = 482231425052160. Its totient is φ = 71188285169664.

The previous prime is 221002102212007. The next prime is 221002102212037. The reversal of 221002102212010 is 10212201200122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3740886592 + ... + 3740945668.

It is an arithmetic number, because the mean of its divisors is an integer number (3767433008220).

Almost surely, 2^{221002102212010} is an apocalyptic number.

221002102212010 is an abundant number, since it is smaller than the sum of its proper divisors (261229322840150).

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

221002102212010 is a wasteful number, since it uses less digits than its factorization.

221002102212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64640.

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

Adding to 221002102212010 its reverse (10212201200122), we get a palindrome (231214303412132).

The spelling of 221002102212010 in words is "two hundred twenty-one trillion, two billion, one hundred two million, two hundred twelve thousand, ten".