111401133212 has 24 divisors (see below), whose sum is σ = 207164979504. Its totient is φ = 52234797312.

The previous prime is 111401133211. The next prime is 111401133293. The reversal of 111401133212 is 212331104111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111401133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938298 + ... + 2975969.

It is an arithmetic number, because the mean of its divisors is an integer number (8631874146).

Almost surely, 2^111401133212 is an apocalyptic number.

It is an amenable number.

111401133212 is a deficient number, since it is larger than the sum of its proper divisors (95763846292).

111401133212 is a wasteful number, since it uses less digits than its factorization.

111401133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914565 (or 5914563 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111401133212 its reverse (212331104111), we get a palindrome (323732237323).

The spelling of 111401133212 in words is "one hundred eleven billion, four hundred one million, one hundred thirty-three thousand, two hundred twelve".