200021121201 has 16 divisors (see below), whose sum is σ = 303589370880. Its totient is φ = 115954272720.

The previous prime is 200021121173. The next prime is 200021121217. The reversal of 200021121201 is 102121120002.

It is not a de Polignac number, because 200021121201 - 2⁵ = 200021121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200021122201) 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, 131765461 + ... + 131766978.

It is an arithmetic number, because the mean of its divisors is an integer number (18974335680).

Almost surely, 2^200021121201 is an apocalyptic number.

It is an amenable number.

200021121201 is a deficient number, since it is larger than the sum of its proper divisors (103568249679).

200021121201 is a wasteful number, since it uses less digits than its factorization.

200021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263532476.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200021121201 its reverse (102121120002), we get a palindrome (302142241203).

The spelling of 200021121201 in words is "two hundred billion, twenty-one million, one hundred twenty-one thousand, two hundred one".