111400512212 has 12 divisors (see below), whose sum is σ = 212673705216. Its totient is φ = 50636596440.

The previous prime is 111400512211. The next prime is 111400512227. The reversal of 111400512212 is 212215004111.

It is a super-2 number, since 2×111400512212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400512211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265914868 + ... + 1265914955.

It is an arithmetic number, because the mean of its divisors is an integer number (17722808768).

Almost surely, 2^111400512212 is an apocalyptic number.

It is an amenable number.

111400512212 is a deficient number, since it is larger than the sum of its proper divisors (101273193004).

111400512212 is a wasteful number, since it uses less digits than its factorization.

111400512212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531829838 (or 2531829836 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 111400512212 its reverse (212215004111), we get a palindrome (323615516323).

The spelling of 111400512212 in words is "one hundred eleven billion, four hundred million, five hundred twelve thousand, two hundred twelve".