200110222221 has 32 divisors (see below), whose sum is σ = 345669488640. Its totient is φ = 99997239744.

The previous prime is 200110222211. The next prime is 200110222243. The reversal of 200110222221 is 122222011002.

It is not a de Polignac number, because 200110222221 - 2¹⁰ = 200110221197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200110222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200110222211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19284405 + ... + 19294778.

It is an arithmetic number, because the mean of its divisors is an integer number (10802171520).

Almost surely, 2^200110222221 is an apocalyptic number.

200110222221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200110222221 is a deficient number, since it is larger than the sum of its proper divisors (145559266419).

200110222221 is a wasteful number, since it uses less digits than its factorization.

200110222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38579225.

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

Adding to 200110222221 its reverse (122222011002), we get a palindrome (322332233223).

The spelling of 200110222221 in words is "two hundred billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".