200121020021213 has 8 divisors (see below), whose sum is σ = 203108189632608. Its totient is φ = 197133858901584.

The previous prime is 200121020021177. The next prime is 200121020021239. The reversal of 200121020021213 is 312120020121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200121020021213 - 2¹⁶ = 200121019955677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200121020021191 and 200121020021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121020021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57957695 + ... + 61313427.

It is an arithmetic number, because the mean of its divisors is an integer number (25388523704076).

Almost surely, 2^{200121020021213} is an apocalyptic number.

It is an amenable number.

200121020021213 is a deficient number, since it is larger than the sum of its proper divisors (2987169611395).

200121020021213 is an equidigital number, since it uses as much as digits as its factorization.

200121020021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245883.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 200121020021213 its reverse (312120020121002), we get a palindrome (512241040142215).

The spelling of 200121020021213 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, twenty-one thousand, two hundred thirteen".