200221101122001 has 16 divisors (see below), whose sum is σ = 267728743128000. Its totient is φ = 133097103292608.

The previous prime is 200221101121997. The next prime is 200221101122023. The reversal of 200221101122001 is 100221101122002.

It is not a de Polignac number, because 200221101122001 - 2² = 200221101121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200221101122041) 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, 128421790 + ... + 129971528.

It is an arithmetic number, because the mean of its divisors is an integer number (16733046445500).

Almost surely, 2^{200221101122001} is an apocalyptic number.

It is an amenable number.

200221101122001 is a deficient number, since it is larger than the sum of its proper divisors (67507642005999).

200221101122001 is a wasteful number, since it uses less digits than its factorization.

200221101122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673488.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200221101122001 its reverse (100221101122002), we get a palindrome (300442202244003).

Subtracting from 200221101122001 its reverse (100221101122002), we obtain a palindrome (99999999999999).

The spelling of 200221101122001 in words is "two hundred trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, one".