2100200021213 has 8 divisors (see below), whose sum is σ = 2400238494528. Its totient is φ = 1800164022624.

The previous prime is 2100200021209. The next prime is 2100200021221. The reversal of 2100200021213 is 3121200020012.

It is a happy number.

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 2100200021213 - 2² = 2100200021209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100200027213) 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, 1864145 + ... + 2770457.

It is an arithmetic number, because the mean of its divisors is an integer number (300029811816).

Almost surely, 2^{2100200021213} is an apocalyptic number.

It is an amenable number.

2100200021213 is a deficient number, since it is larger than the sum of its proper divisors (300038473315).

2100200021213 is an equidigital number, since it uses as much as digits as its factorization.

2100200021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237363.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2100200021213 its reverse (3121200020012), we get a palindrome (5221400041225).

The spelling of 2100200021213 in words is "two trillion, one hundred billion, two hundred million, twenty-one thousand, two hundred thirteen".