111401211203747 has 2 divisors, whose sum is σ = 111401211203748. Its totient is φ = 111401211203746.

The previous prime is 111401211203717. The next prime is 111401211203759. The reversal of 111401211203747 is 747302112104111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111401211203747 - 2²⁰ = 111401210155171 is a prime.

It is a super-2 number, since 2×111401211203747² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111401211203717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55700605601873 + 55700605601874.

It is an arithmetic number, because the mean of its divisors is an integer number (55700605601874).

Almost surely, 2^{111401211203747} is an apocalyptic number.

111401211203747 is a deficient number, since it is larger than the sum of its proper divisors (1).

111401211203747 is an equidigital number, since it uses as much as digits as its factorization.

111401211203747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 35.

Adding to 111401211203747 its reverse (747302112104111), we get a palindrome (858703323307858).

The spelling of 111401211203747 in words is "one hundred eleven trillion, four hundred one billion, two hundred eleven million, two hundred three thousand, seven hundred forty-seven".