111111012212199 has 16 divisors (see below), whose sum is σ = 150949460697984. Its totient is φ = 72673400727200.

The previous prime is 111111012212159. The next prime is 111111012212231. The reversal of 111111012212199 is 991212210111111.

It is a cyclic number.

It is not a de Polignac number, because 111111012212199 - 2¹³ = 111111012204007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111012212159) 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, 10461957 + ... + 18211934.

It is an arithmetic number, because the mean of its divisors is an integer number (9434341293624).

Almost surely, 2^{111111012212199} is an apocalyptic number.

111111012212199 is a deficient number, since it is larger than the sum of its proper divisors (39838448485785).

111111012212199 is a wasteful number, since it uses less digits than its factorization.

111111012212199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28698318.

The product of its (nonzero) digits is 648, while the sum is 33.

The spelling of 111111012212199 in words is "one hundred eleven trillion, one hundred eleven billion, twelve million, two hundred twelve thousand, one hundred ninety-nine".