211223011310 has 16 divisors (see below), whose sum is σ = 381792225600. Its totient is φ = 84135692256.

The previous prime is 211223011309. The next prime is 211223011313. The reversal of 211223011310 is 13110322112.

It is a super-2 number, since 2×211223011310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223011313) 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, 44186525 + ... + 44191304.

It is an arithmetic number, because the mean of its divisors is an integer number (23862014100).

Almost surely, 2^211223011310 is an apocalyptic number.

211223011310 is a deficient number, since it is larger than the sum of its proper divisors (170569214290).

211223011310 is a wasteful number, since it uses less digits than its factorization.

211223011310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88378075.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211223011310 its reverse (13110322112), we get a palindrome (224333333422).

The spelling of 211223011310 in words is "two hundred eleven billion, two hundred twenty-three million, eleven thousand, three hundred ten".