200021121012201 has 16 divisors (see below), whose sum is σ = 273904303848000. Its totient is φ = 129742715763648.

The previous prime is 200021121012199. The next prime is 200021121012233. The reversal of 200021121012201 is 102210121120002.

It is not a de Polignac number, because 200021121012201 - 2¹ = 200021121012199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200021121012241) 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, 15685210 + ... + 25417868.

It is an arithmetic number, because the mean of its divisors is an integer number (17119018990500).

Almost surely, 2^{200021121012201} is an apocalyptic number.

It is an amenable number.

200021121012201 is a deficient number, since it is larger than the sum of its proper divisors (73883182835799).

200021121012201 is a wasteful number, since it uses less digits than its factorization.

200021121012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917848.

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

Adding to 200021121012201 its reverse (102210121120002), we get a palindrome (302231242132203).

The spelling of 200021121012201 in words is "two hundred trillion, twenty-one billion, one hundred twenty-one million, twelve thousand, two hundred one".