221110201012210 has 8 divisors (see below), whose sum is σ = 397998361821996. Its totient is φ = 88444080404880.

The previous prime is 221110201012201. The next prime is 221110201012271. The reversal of 221110201012210 is 12210102011122.

It can be written as a sum of positive squares in 2 ways, for example, as 220851312378489 + 258888633721 = 14861067^2 + 508811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055510050601 + ... + 11055510050620.

Almost surely, 2^{221110201012210} is an apocalyptic number.

221110201012210 is a deficient number, since it is larger than the sum of its proper divisors (176888160809786).

221110201012210 is a wasteful number, since it uses less digits than its factorization.

221110201012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111020101228.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221110201012210 its reverse (12210102011122), we get a palindrome (233320303023332).

The spelling of 221110201012210 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred one million, twelve thousand, two hundred ten".