111211211211202 has 8 divisors (see below), whose sum is σ = 169964303926716. Its totient is φ = 54556443235632.

The previous prime is 111211211211197. The next prime is 111211211211223. The reversal of 111211211211202 is 202112112112111.

111211211211202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 108709629284881 + 2501581926321 = 10426391^2 + 1581639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111211211211202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524581184853 + ... + 524581185064.

Almost surely, 2^{111211211211202} is an apocalyptic number.

111211211211202 is a deficient number, since it is larger than the sum of its proper divisors (58753092715514).

111211211211202 is a wasteful number, since it uses less digits than its factorization.

111211211211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049162369972.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111211211211202 its reverse (202112112112111), we get a palindrome (313323323323313).

Subtracting 111211211211202 from its reverse (202112112112111), we obtain a palindrome (90900900900909).

The spelling of 111211211211202 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred eleven million, two hundred eleven thousand, two hundred two".