111230213401 has 2 divisors, whose sum is σ = 111230213402. Its totient is φ = 111230213400.

The previous prime is 111230213387. The next prime is 111230213447. The reversal of 111230213401 is 104312032111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109508046400 + 1722167001 = 330920^2 + 41499^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230213401 - 2⁷ = 111230213273 is a prime.

It is not a weakly prime, because it can be changed into another prime (111230213701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615106700 + 55615106701.

It is an arithmetic number, because the mean of its divisors is an integer number (55615106701).

Almost surely, 2^111230213401 is an apocalyptic number.

It is an amenable number.

111230213401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230213401 is an equidigital number, since it uses as much as digits as its factorization.

111230213401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111230213401 its reverse (104312032111), we get a palindrome (215542245512).

The spelling of 111230213401 in words is "one hundred eleven billion, two hundred thirty million, two hundred thirteen thousand, four hundred one".