111242512030 has 32 divisors (see below), whose sum is σ = 222595446528. Its totient is φ = 39749184000.

The previous prime is 111242512027. The next prime is 111242512063. The reversal of 111242512030 is 30215242111.

It is a junction number, because it is equal to n+sod(n) for n = 111242511992 and 111242512010.

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, 13797771 + ... + 13805830.

It is an arithmetic number, because the mean of its divisors is an integer number (6956107704).

Almost surely, 2^111242512030 is an apocalyptic number.

111242512030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111242512030 is an abundant number, since it is smaller than the sum of its proper divisors (111352934498).

111242512030 is a wasteful number, since it uses less digits than its factorization.

111242512030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27603652.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 111242512030 its reverse (30215242111), we get a palindrome (141457754141).

The spelling of 111242512030 in words is "one hundred eleven billion, two hundred forty-two million, five hundred twelve thousand, thirty".