111221010199 has 8 divisors (see below), whose sum is σ = 120939352352. Its totient is φ = 101668793760.

The previous prime is 111221010181. The next prime is 111221010209. The reversal of 111221010199 is 991010122111.

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 111221010199 - 2¹³ = 111221002007 is a prime.

It is a super-2 number, since 2×111221010199² (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 (111221010169) 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, 41530032 + ... + 41532709.

It is an arithmetic number, because the mean of its divisors is an integer number (15117419044).

Almost surely, 2^111221010199 is an apocalyptic number.

111221010199 is a deficient number, since it is larger than the sum of its proper divisors (9718342153).

111221010199 is a wasteful number, since it uses less digits than its factorization.

111221010199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83062857.

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

The spelling of 111221010199 in words is "one hundred eleven billion, two hundred twenty-one million, ten thousand, one hundred ninety-nine".