111134023442020 has 12 divisors (see below), whose sum is σ = 233381449228284. Its totient is φ = 44453609376800.

The previous prime is 111134023442017. The next prime is 111134023442093. The reversal of 111134023442020 is 20244320431111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26647152519744 + 84486870922276 = 5162088^2 + 9191674^2 .

It is a super-2 number, since 2×111134023442020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111134023442020.

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, 2778350586031 + ... + 2778350586070.

It is an arithmetic number, because the mean of its divisors is an integer number (19448454102357).

Almost surely, 2^{111134023442020} is an apocalyptic number.

111134023442020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111134023442020 is an abundant number, since it is smaller than the sum of its proper divisors (122247425786264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111134023442020 is a wasteful number, since it uses less digits than its factorization.

111134023442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556701172110 (or 5556701172108 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 111134023442020 its reverse (20244320431111), we get a palindrome (131378343873131).

The spelling of 111134023442020 in words is "one hundred eleven trillion, one hundred thirty-four billion, twenty-three million, four hundred forty-two thousand, twenty".