211011222213 has 24 divisors (see below), whose sum is σ = 332565551136. Its totient is φ = 127861351200.

The previous prime is 211011222211. The next prime is 211011222217. The reversal of 211011222213 is 312222110112.

It is not a de Polignac number, because 211011222213 - 2¹ = 211011222211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011222211) 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, 330043 + ... + 728663.

It is an arithmetic number, because the mean of its divisors is an integer number (13856897964).

Almost surely, 2^211011222213 is an apocalyptic number.

It is an amenable number.

211011222213 is a deficient number, since it is larger than the sum of its proper divisors (121554328923).

211011222213 is a wasteful number, since it uses less digits than its factorization.

211011222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403985 (or 403982 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211011222213 its reverse (312222110112), we get a palindrome (523233332325).

The spelling of 211011222213 in words is "two hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred thirteen".