111111110102201 has 16 divisors (see below), whose sum is σ = 122463006019200. Its totient is φ = 99969798931200.

The previous prime is 111111110102137. The next prime is 111111110102233. The reversal of 111111110102201 is 102201011111111.

It is not a de Polignac number, because 111111110102201 - 2⁶ = 111111110102137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111111110102281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51537221 + ... + 53649858.

It is an arithmetic number, because the mean of its divisors is an integer number (7653937876200).

Almost surely, 2^{111111110102201} is an apocalyptic number.

111111110102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111111110102201 is a deficient number, since it is larger than the sum of its proper divisors (11351895916999).

111111110102201 is a wasteful number, since it uses less digits than its factorization.

111111110102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105188080.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111111110102201 its reverse (102201011111111), we get a palindrome (213312121213312).

The spelling of 111111110102201 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred ten million, one hundred two thousand, two hundred one".