111361010212 has 24 divisors (see below), whose sum is σ = 205448463360. Its totient is φ = 52737881280.

The previous prime is 111361010183. The next prime is 111361010213. The reversal of 111361010212 is 212010163111.

It is a self number, because there is not a number n which added to its sum of digits gives 111361010212.

It is not an unprimeable number, because it can be changed into a prime (111361010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9548137 + ... + 9559792.

It is an arithmetic number, because the mean of its divisors is an integer number (8560352640).

Almost surely, 2^111361010212 is an apocalyptic number.

It is an amenable number.

111361010212 is a deficient number, since it is larger than the sum of its proper divisors (94087453148).

111361010212 is a wasteful number, since it uses less digits than its factorization.

111361010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19108011 (or 19108009 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111361010212 its reverse (212010163111), we get a palindrome (323371173323).

The spelling of 111361010212 in words is "one hundred eleven billion, three hundred sixty-one million, ten thousand, two hundred twelve".