111402134210142 has 128 divisors (see below), whose sum is σ = 266187304857600. Its totient is φ = 34464248074368.

The previous prime is 111402134210057. The next prime is 111402134210167. The reversal of 111402134210142 is 241012431204111.

111402134210142 is a `hidden beast` number, since 1 + 1 + 1 + 402 + 1 + 3 + 4 + 210 + 1 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6773038 + ... + 16391409.

It is an arithmetic number, because the mean of its divisors is an integer number (2079588319200).

Almost surely, 2^{111402134210142} is an apocalyptic number.

111402134210142 is an abundant number, since it is smaller than the sum of its proper divisors (154785170647458).

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

111402134210142 is a wasteful number, since it uses less digits than its factorization.

111402134210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23164607 (or 23164601 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 111402134210142 its reverse (241012431204111), we get a palindrome (352414565414253).

The spelling of 111402134210142 in words is "one hundred eleven trillion, four hundred two billion, one hundred thirty-four million, two hundred ten thousand, one hundred forty-two".