111421807134 has 64 divisors (see below), whose sum is σ = 243931564800. Its totient is φ = 33649184000.

The previous prime is 111421807127. The next prime is 111421807151. The reversal of 111421807134 is 431708124111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 111421807095 and 111421807104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31915129 + ... + 31918619.

It is an arithmetic number, because the mean of its divisors is an integer number (3811430700).

Almost surely, 2^111421807134 is an apocalyptic number.

111421807134 is an abundant number, since it is smaller than the sum of its proper divisors (132509757666).

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

111421807134 is a wasteful number, since it uses less digits than its factorization.

111421807134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 111421807134 in words is "one hundred eleven billion, four hundred twenty-one million, eight hundred seven thousand, one hundred thirty-four".