200122122002221 has 16 divisors (see below), whose sum is σ = 206552262729600. Its totient is φ = 193797870336000.

The previous prime is 200122122002189. The next prime is 200122122002233. The reversal of 200122122002221 is 122200221221002.

It is a cyclic number.

It is not a de Polignac number, because 200122122002221 - 2⁵ = 200122122002189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122122002261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14857956 + ... + 24919933.

It is an arithmetic number, because the mean of its divisors is an integer number (12909516420600).

Almost surely, 2^{200122122002221} is an apocalyptic number.

It is an amenable number.

200122122002221 is a deficient number, since it is larger than the sum of its proper divisors (6430140727379).

200122122002221 is a wasteful number, since it uses less digits than its factorization.

200122122002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39779220.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200122122002221 its reverse (122200221221002), we get a palindrome (322322343223223).

The spelling of 200122122002221 in words is "two hundred trillion, one hundred twenty-two billion, one hundred twenty-two million, two thousand, two hundred twenty-one".