111541142223012 has 24 divisors (see below), whose sum is σ = 260264814919200. Its totient is φ = 37180073636416.

The previous prime is 111541142222999. The next prime is 111541142223031. The reversal of 111541142223012 is 210322241145111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36872337 + ... + 39782552.

It is an arithmetic number, because the mean of its divisors is an integer number (10844367288300).

Almost surely, 2^{111541142223012} is an apocalyptic number.

111541142223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111541142223012 is an abundant number, since it is smaller than the sum of its proper divisors (148723672696188).

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

111541142223012 is a wasteful number, since it uses less digits than its factorization.

111541142223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76776155 (or 76776153 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 111541142223012 its reverse (210322241145111), we get a palindrome (321863383368123).

The spelling of 111541142223012 in words is "one hundred eleven trillion, five hundred forty-one billion, one hundred forty-two million, two hundred twenty-three thousand, twelve".