211023220213 has 8 divisors (see below), whose sum is σ = 227449861856. Its totient is φ = 194624305200.

The previous prime is 211023220189. The next prime is 211023220337. The reversal of 211023220213 is 312022320112.

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

It is a de Polignac number, because none of the positive numbers 2^k-211023220213 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 (211023220613) 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, 6915843 + ... + 6946288.

It is an arithmetic number, because the mean of its divisors is an integer number (28431232732).

Almost surely, 2^211023220213 is an apocalyptic number.

It is an amenable number.

211023220213 is a deficient number, since it is larger than the sum of its proper divisors (16426641643).

211023220213 is a wasteful number, since it uses less digits than its factorization.

211023220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13863315.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211023220213 its reverse (312022320112), we get a palindrome (523045540325).

The spelling of 211023220213 in words is "two hundred eleven billion, twenty-three million, two hundred twenty thousand, two hundred thirteen".