111401211138223 has 2 divisors, whose sum is σ = 111401211138224. Its totient is φ = 111401211138222.

The previous prime is 111401211138221. The next prime is 111401211138227. The reversal of 111401211138223 is 322831112104111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111401211138223 - 2¹ = 111401211138221 is a prime.

Together with 111401211138221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111401211138221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55700605569111 + 55700605569112.

It is an arithmetic number, because the mean of its divisors is an integer number (55700605569112).

Almost surely, 2^{111401211138223} is an apocalyptic number.

111401211138223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111401211138223 is an equidigital number, since it uses as much as digits as its factorization.

111401211138223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 111401211138223 in words is "one hundred eleven trillion, four hundred one billion, two hundred eleven million, one hundred thirty-eight thousand, two hundred twenty-three".