111406352242 has 8 divisors (see below), whose sum is σ = 168075479916. Its totient is φ = 55381192272.

The previous prime is 111406352219. The next prime is 111406352251. The reversal of 111406352242 is 242253604111.

111406352242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 109183324041 + 2223028201 = 330429^2 + 47149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111406352242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160991493 + ... + 160992184.

Almost surely, 2^111406352242 is an apocalyptic number.

111406352242 is a deficient number, since it is larger than the sum of its proper divisors (56669127674).

111406352242 is a wasteful number, since it uses less digits than its factorization.

111406352242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321983852.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 111406352242 its reverse (242253604111), we get a palindrome (353659956353).

The spelling of 111406352242 in words is "one hundred eleven billion, four hundred six million, three hundred fifty-two thousand, two hundred forty-two".