111212001199 has 8 divisors (see below), whose sum is σ = 126070285040. Its totient is φ = 97254219456.

The previous prime is 111212001181. The next prime is 111212001203. The reversal of 111212001199 is 991100212111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111212001199 - 2¹⁷ = 111211870127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225125262 + ... + 225125755.

It is an arithmetic number, because the mean of its divisors is an integer number (15758785630).

Almost surely, 2^111212001199 is an apocalyptic number.

111212001199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111212001199 is a deficient number, since it is larger than the sum of its proper divisors (14858283841).

111212001199 is a wasteful number, since it uses less digits than its factorization.

111212001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450251049.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 111212001199 in words is "one hundred eleven billion, two hundred twelve million, one thousand, one hundred ninety-nine".