211020210213 has 16 divisors (see below), whose sum is σ = 282726941376. Its totient is φ = 139996967040.

The previous prime is 211020210211. The next prime is 211020210221. The reversal of 211020210213 is 312012020112.

It is not a de Polignac number, because 211020210213 - 2¹ = 211020210211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211020210192 and 211020210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020210211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7909945 + ... + 7936577.

It is an arithmetic number, because the mean of its divisors is an integer number (17670433836).

Almost surely, 2^211020210213 is an apocalyptic number.

It is an amenable number.

211020210213 is a deficient number, since it is larger than the sum of its proper divisors (71706731163).

211020210213 is a wasteful number, since it uses less digits than its factorization.

211020210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211020210213 its reverse (312012020112), we get a palindrome (523032230325).

The spelling of 211020210213 in words is "two hundred eleven billion, twenty million, two hundred ten thousand, two hundred thirteen".