111221222119 has 16 divisors (see below), whose sum is σ = 128429649216. Its totient is φ = 94343616000.

The previous prime is 111221222087. The next prime is 111221222143. The reversal of 111221222119 is 911222122111.

It is a cyclic number.

It is not a de Polignac number, because 111221222119 - 2⁵ = 111221222087 is a prime.

It is a super-2 number, since 2×111221222119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111221222093 and 111221222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221222219) 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, 1491429 + ... + 1564225.

It is an arithmetic number, because the mean of its divisors is an integer number (8026853076).

Almost surely, 2^111221222119 is an apocalyptic number.

111221222119 is a deficient number, since it is larger than the sum of its proper divisors (17208427097).

111221222119 is a wasteful number, since it uses less digits than its factorization.

111221222119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75066.

The product of its digits is 288, while the sum is 25.

The spelling of 111221222119 in words is "one hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred nineteen".