111232022001020 has 12 divisors (see below), whose sum is σ = 233587246202184. Its totient is φ = 44492808800400.

The previous prime is 111232022000993. The next prime is 111232022001043. The reversal of 111232022001020 is 20100220232111.

It is a self number, because there is not a number n which added to its sum of digits gives 111232022001020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780800550006 + ... + 2780800550045.

It is an arithmetic number, because the mean of its divisors is an integer number (19465603850182).

Almost surely, 2^{111232022001020} is an apocalyptic number.

111232022001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232022001020 is an abundant number, since it is smaller than the sum of its proper divisors (122355224201164).

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

111232022001020 is a wasteful number, since it uses less digits than its factorization.

111232022001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561601100060 (or 5561601100058 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111232022001020 its reverse (20100220232111), we get a palindrome (131332242233131).

The spelling of 111232022001020 in words is "one hundred eleven trillion, two hundred thirty-two billion, twenty-two million, one thousand, twenty".