211310222013 has 48 divisors (see below), whose sum is σ = 351821486016. Its totient is φ = 125650362240.

The previous prime is 211310221981. The next prime is 211310222059. The reversal of 211310222013 is 310222013112.

It is not a de Polignac number, because 211310222013 - 2⁵ = 211310221981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211310222063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 604120 + ... + 887457.

It is an arithmetic number, because the mean of its divisors is an integer number (7329614292).

Almost surely, 2^211310222013 is an apocalyptic number.

It is an amenable number.

211310222013 is a deficient number, since it is larger than the sum of its proper divisors (140511264003).

211310222013 is a wasteful number, since it uses less digits than its factorization.

211310222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491656 (or 1491644 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211310222013 its reverse (310222013112), we get a palindrome (521532235125).

The spelling of 211310222013 in words is "two hundred eleven billion, three hundred ten million, two hundred twenty-two thousand, thirteen".