200201022001121 has 4 divisors (see below), whose sum is σ = 200443103044272. Its totient is φ = 199958940957972.

The previous prime is 200201022001109. The next prime is 200201022001129. The reversal of 200201022001121 is 121100220102002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200201022001121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200201022001096 and 200201022001105.

It is not an unprimeable number, because it can be changed into a prime (200201022001129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121040520335 + ... + 121040521988.

It is an arithmetic number, because the mean of its divisors is an integer number (50110775761068).

Almost surely, 2^{200201022001121} is an apocalyptic number.

It is an amenable number.

200201022001121 is a deficient number, since it is larger than the sum of its proper divisors (242081043151).

200201022001121 is an equidigital number, since it uses as much as digits as its factorization.

200201022001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242081043150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200201022001121 its reverse (121100220102002), we get a palindrome (321301242103123).

The spelling of 200201022001121 in words is "two hundred trillion, two hundred one billion, twenty-two million, one thousand, one hundred twenty-one".