211120113213 has 24 divisors (see below), whose sum is σ = 323656642296. Its totient is φ = 132152832000.

The previous prime is 211120113181. The next prime is 211120113277. The reversal of 211120113213 is 312311021112.

211120113213 is a `hidden beast` number, since 211 + 120 + 11 + 321 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20637620964 + 190482492249 = 143658^2 + 436443^2 .

It is not a de Polignac number, because 211120113213 - 2⁵ = 211120113181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120113313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1574388 + ... + 1703213.

It is an arithmetic number, because the mean of its divisors is an integer number (13485693429).

Almost surely, 2^211120113213 is an apocalyptic number.

It is an amenable number.

211120113213 is a deficient number, since it is larger than the sum of its proper divisors (112536529083).

211120113213 is a wasteful number, since it uses less digits than its factorization.

211120113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278045 (or 3278042 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 211120113213 its reverse (312311021112), we get a palindrome (523431134325).

The spelling of 211120113213 in words is "two hundred eleven billion, one hundred twenty million, one hundred thirteen thousand, two hundred thirteen".