2201021100222 has 64 divisors (see below), whose sum is σ = 5208310609920. Its totient is φ = 606720231936.

The previous prime is 2201021100217. The next prime is 2201021100253. The reversal of 2201021100222 is 2220011201022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935398 + ... + 2297174.

It is an arithmetic number, because the mean of its divisors is an integer number (81379853280).

Almost surely, 2^{2201021100222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201021100222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604155304960).

2201021100222 is an abundant number, since it is smaller than the sum of its proper divisors (3007289509698).

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

2201021100222 is a wasteful number, since it uses less digits than its factorization.

2201021100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363145.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201021100222 its reverse (2220011201022), we get a palindrome (4421032301244).

The spelling of 2201021100222 in words is "two trillion, two hundred one billion, twenty-one million, one hundred thousand, two hundred twenty-two".