111112102201211 has 16 divisors (see below), whose sum is σ = 113016291161088. Its totient is φ = 109210588999200.

The previous prime is 111112102201193. The next prime is 111112102201237. The reversal of 111112102201211 is 112102201211111.

It is a cyclic number.

It is not a de Polignac number, because 111112102201211 - 2¹⁴ = 111112102184827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111112102201211.

It is not an unprimeable number, because it can be changed into a prime (111112102206211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714864630 + ... + 2714905556.

It is an arithmetic number, because the mean of its divisors is an integer number (7063518197568).

Almost surely, 2^{111112102201211} is an apocalyptic number.

111112102201211 is a deficient number, since it is larger than the sum of its proper divisors (1904188959877).

111112102201211 is a wasteful number, since it uses less digits than its factorization.

111112102201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72482.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111112102201211 its reverse (112102201211111), we get a palindrome (223214303412322).

It can be divided in two parts, 111 and 112102201211, that multiplied together give a palindrome (12443344334421).

The spelling of 111112102201211 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred two million, two hundred one thousand, two hundred eleven".