111143141212 has 24 divisors (see below), whose sum is σ = 206841040560. Its totient is φ = 52074251520.

The previous prime is 111143141183. The next prime is 111143141237. The reversal of 111143141212 is 212141341111.

It is a congruent number.

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, 3553114 + ... + 3584257.

It is an arithmetic number, because the mean of its divisors is an integer number (8618376690).

Almost surely, 2^111143141212 is an apocalyptic number.

It is an amenable number.

111143141212 is a deficient number, since it is larger than the sum of its proper divisors (95697899348).

111143141212 is a wasteful number, since it uses less digits than its factorization.

111143141212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137621 (or 7137619 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

Adding to 111143141212 its reverse (212141341111), we get a palindrome (323284482323).

The spelling of 111143141212 in words is "one hundred eleven billion, one hundred forty-three million, one hundred forty-one thousand, two hundred twelve".