111030203142 has 32 divisors (see below), whose sum is σ = 249176705760. Its totient is φ = 36643629600.

The previous prime is 111030203107. The next prime is 111030203227. The reversal of 111030203142 is 241302030111.

111030203142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10173333 + ... + 10184240.

It is an arithmetic number, because the mean of its divisors is an integer number (7786772055).

Almost surely, 2^111030203142 is an apocalyptic number.

111030203142 is an abundant number, since it is smaller than the sum of its proper divisors (138146502618).

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

111030203142 is a wasteful number, since it uses less digits than its factorization.

111030203142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20357685 (or 20357679 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111030203142 its reverse (241302030111), we get a palindrome (352332233253).

The spelling of 111030203142 in words is "one hundred eleven billion, thirty million, two hundred three thousand, one hundred forty-two".