1111221122219 has 8 divisors (see below), whose sum is σ = 1196771192400. Its totient is φ = 1025681269536.

The previous prime is 1111221122149. The next prime is 1111221122279. The reversal of 1111221122219 is 9122211221111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111221122219 is a prime.

It is a super-2 number, since 2×1111221122219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111221122279) 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, 2327744 + ... + 2764205.

It is an arithmetic number, because the mean of its divisors is an integer number (149596399050).

Almost surely, 2^{1111221122219} is an apocalyptic number.

1111221122219 is a deficient number, since it is larger than the sum of its proper divisors (85550070181).

1111221122219 is a wasteful number, since it uses less digits than its factorization.

1111221122219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108749.

The product of its digits is 288, while the sum is 26.

The spelling of 1111221122219 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred nineteen".