111101402323243 has 16 divisors (see below), whose sum is σ = 113820247664640. Its totient is φ = 108388743833664.

The previous prime is 111101402323217. The next prime is 111101402323309. The reversal of 111101402323243 is 342323204101111.

It is not a de Polignac number, because 111101402323243 - 2¹⁷ = 111101402192171 is a prime.

It is a super-2 number, since 2×111101402323243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101402323213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203299398 + ... + 203845156.

It is an arithmetic number, because the mean of its divisors is an integer number (7113765479040).

Almost surely, 2^{111101402323243} is an apocalyptic number.

111101402323243 is a deficient number, since it is larger than the sum of its proper divisors (2718845341397).

111101402323243 is a wasteful number, since it uses less digits than its factorization.

111101402323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551418.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 111101402323243 its reverse (342323204101111), we get a palindrome (453424606424354).

The spelling of 111101402323243 in words is "one hundred eleven trillion, one hundred one billion, four hundred two million, three hundred twenty-three thousand, two hundred forty-three".