111451442223 has 32 divisors (see below), whose sum is σ = 162871575552. Its totient is φ = 67230259200.

The previous prime is 111451442209. The next prime is 111451442227. The reversal of 111451442223 is 322244154111.

It is not a de Polignac number, because 111451442223 - 2⁶ = 111451442159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111451442227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6149511 + ... + 6167607.

It is an arithmetic number, because the mean of its divisors is an integer number (5089736736).

Almost surely, 2^111451442223 is an apocalyptic number.

111451442223 is a deficient number, since it is larger than the sum of its proper divisors (51420133329).

111451442223 is a wasteful number, since it uses less digits than its factorization.

111451442223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975.

The product of its digits is 7680, while the sum is 30.

Adding to 111451442223 its reverse (322244154111), we get a palindrome (433695596334).

The spelling of 111451442223 in words is "one hundred eleven billion, four hundred fifty-one million, four hundred forty-two thousand, two hundred twenty-three".