111121145150 has 24 divisors (see below), whose sum is σ = 218843292240. Its totient is φ = 41833842560.

The previous prime is 111121145147. The next prime is 111121145203. The reversal of 111121145150 is 51541121111.

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 11 ways as a sum of consecutive naturals, for example, 65364530 + ... + 65366229.

It is an arithmetic number, because the mean of its divisors is an integer number (9118470510).

Almost surely, 2^111121145150 is an apocalyptic number.

111121145150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121145150 is a deficient number, since it is larger than the sum of its proper divisors (107722147090).

111121145150 is a wasteful number, since it uses less digits than its factorization.

111121145150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130730788 (or 130730783 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 23.

Adding to 111121145150 its reverse (51541121111), we get a palindrome (162662266261).

The spelling of 111121145150 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred forty-five thousand, one hundred fifty".