111401454211 has 2 divisors, whose sum is σ = 111401454212. Its totient is φ = 111401454210.

The previous prime is 111401454149. The next prime is 111401454221. The reversal of 111401454211 is 112454104111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111401454211 - 2²⁵ = 111367899779 is a prime.

It is not a weakly prime, because it can be changed into another prime (111401454221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55700727105 + 55700727106.

It is an arithmetic number, because the mean of its divisors is an integer number (55700727106).

Almost surely, 2^111401454211 is an apocalyptic number.

111401454211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111401454211 is an equidigital number, since it uses as much as digits as its factorization.

111401454211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 111401454211 its reverse (112454104111), we get a palindrome (223855558322).

The spelling of 111401454211 in words is "one hundred eleven billion, four hundred one million, four hundred fifty-four thousand, two hundred eleven".