12001110222311 has 32 divisors (see below), whose sum is σ = 13954116427776. Its totient is φ = 10108705068000.

The previous prime is 12001110222307. The next prime is 12001110222317. The reversal of 12001110222311 is 11322201110021.

It is a happy number.

It is not a de Polignac number, because 12001110222311 - 2² = 12001110222307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001110222311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001110222317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100710886 + ... + 1100721788.

It is an arithmetic number, because the mean of its divisors is an integer number (436066138368).

Almost surely, 2^{12001110222311} is an apocalyptic number.

12001110222311 is a deficient number, since it is larger than the sum of its proper divisors (1953006205465).

12001110222311 is a wasteful number, since it uses less digits than its factorization.

12001110222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18003.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12001110222311 its reverse (11322201110021), we get a palindrome (23323311332332).

The spelling of 12001110222311 in words is "twelve trillion, one billion, one hundred ten million, two hundred twenty-two thousand, three hundred eleven".