111221000199 has 6 divisors (see below), whose sum is σ = 160652555856. Its totient is φ = 74147333460.

The previous prime is 111221000197. The next prime is 111221000237. The reversal of 111221000199 is 991000122111.

It is not a de Polignac number, because 111221000199 - 2¹ = 111221000197 is a prime.

It is a super-2 number, since 2×111221000199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221000197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178944447 + ... + 6178944464.

It is an arithmetic number, because the mean of its divisors is an integer number (26775425976).

Almost surely, 2^111221000199 is an apocalyptic number.

111221000199 is a deficient number, since it is larger than the sum of its proper divisors (49431555657).

111221000199 is a wasteful number, since it uses less digits than its factorization.

111221000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357888917 (or 12357888914 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 111221000199 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred ninety-nine", and thus it is an aban number.