111142402522105 has 8 divisors (see below), whose sum is σ = 133412522409792. Its totient is φ = 88886162428848.

The previous prime is 111142402522043. The next prime is 111142402522127. The reversal of 111142402522105 is 501225204241111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111142402522105 - 2²⁷ = 111142268304377 is a prime.

It is a super-2 number, since 2×111142402522105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469930989 + ... + 3469963018.

It is an arithmetic number, because the mean of its divisors is an integer number (16676565301224).

Almost surely, 2^{111142402522105} is an apocalyptic number.

It is an amenable number.

111142402522105 is a deficient number, since it is larger than the sum of its proper divisors (22270119887687).

111142402522105 is an equidigital number, since it uses as much as digits as its factorization.

111142402522105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939897215.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 111142402522105 its reverse (501225204241111), we get a palindrome (612367606763216).

The spelling of 111142402522105 in words is "one hundred eleven trillion, one hundred forty-two billion, four hundred two million, five hundred twenty-two thousand, one hundred five".