111201211202102 has 32 divisors (see below), whose sum is σ = 194687746034688. Its totient is φ = 46643399119296.

The previous prime is 111201211202047. The next prime is 111201211202183. The reversal of 111201211202102 is 201202112102111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147052373 + ... + 147806639.

It is an arithmetic number, because the mean of its divisors is an integer number (6083992063584).

Almost surely, 2^{111201211202102} is an apocalyptic number.

111201211202102 is a deficient number, since it is larger than the sum of its proper divisors (83486534832586).

111201211202102 is a wasteful number, since it uses less digits than its factorization.

111201211202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978380.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111201211202102 its reverse (201202112102111), we get a palindrome (312403323304213).

Subtracting 111201211202102 from its reverse (201202112102111), we obtain a palindrome (90000900900009).

The spelling of 111201211202102 in words is "one hundred eleven trillion, two hundred one billion, two hundred eleven million, two hundred two thousand, one hundred two".