111312023212001 has 2 divisors, whose sum is σ = 111312023212002. Its totient is φ = 111312023212000.

The previous prime is 111312023211989. The next prime is 111312023212057. The reversal of 111312023212001 is 100212320213111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71938895622400 + 39373127589601 = 8481680^2 + 6274801^2 .

It is a cyclic number.

It is not a de Polignac number, because 111312023212001 - 2⁶ = 111312023211937 is a prime.

It is not a weakly prime, because it can be changed into another prime (111312023232001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656011606000 + 55656011606001.

It is an arithmetic number, because the mean of its divisors is an integer number (55656011606001).

Almost surely, 2^{111312023212001} is an apocalyptic number.

It is an amenable number.

111312023212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312023212001 is an equidigital number, since it uses as much as digits as its factorization.

111312023212001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111312023212001 its reverse (100212320213111), we get a palindrome (211524343425112).

The spelling of 111312023212001 in words is "one hundred eleven trillion, three hundred twelve billion, twenty-three million, two hundred twelve thousand, one".