211100120213 has 4 divisors (see below), whose sum is σ = 211116141600. Its totient is φ = 211084098828.

The previous prime is 211100120197. The next prime is 211100120219. The reversal of 211100120213 is 312021001112.

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 not a de Polignac number, because 211100120213 - 2⁴ = 211100120197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100120219) 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, 7990913 + ... + 8017286.

It is an arithmetic number, because the mean of its divisors is an integer number (52779035400).

Almost surely, 2^211100120213 is an apocalyptic number.

It is an amenable number.

211100120213 is a deficient number, since it is larger than the sum of its proper divisors (16021387).

211100120213 is a wasteful number, since it uses less digits than its factorization.

211100120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021386.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211100120213 its reverse (312021001112), we get a palindrome (523121121325).

The spelling of 211100120213 in words is "two hundred eleven billion, one hundred million, one hundred twenty thousand, two hundred thirteen".