101221002210 has 32 divisors (see below), whose sum is σ = 242949611520. Its totient is φ = 26990133248.

The previous prime is 101221002203. The next prime is 101221002247. The reversal of 101221002210 is 12200122101.

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, 272671 + ... + 526109.

It is an arithmetic number, because the mean of its divisors is an integer number (7592175360).

Almost surely, 2^101221002210 is an apocalyptic number.

101221002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221002210 is an abundant number, since it is smaller than the sum of its proper divisors (141728609310).

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

101221002210 is a wasteful number, since it uses less digits than its factorization.

101221002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266762.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101221002210 its reverse (12200122101), we get a palindrome (113421124311).

The spelling of 101221002210 in words is "one hundred one billion, two hundred twenty-one million, two thousand, two hundred ten".