212320111011 has 8 divisors (see below), whose sum is σ = 283933522704. Its totient is φ = 141126720000.

The previous prime is 212320110997. The next prime is 212320111019. The reversal of 212320111011 is 110111023212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-212320111011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212320111019) 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, 105003990 + ... + 105006011.

It is an arithmetic number, because the mean of its divisors is an integer number (35491690338).

Almost surely, 2^212320111011 is an apocalyptic number.

212320111011 is a deficient number, since it is larger than the sum of its proper divisors (71613411693).

212320111011 is a wasteful number, since it uses less digits than its factorization.

212320111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210010341.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212320111011 its reverse (110111023212), we get a palindrome (322431134223).

The spelling of 212320111011 in words is "two hundred twelve billion, three hundred twenty million, one hundred eleven thousand, eleven".