1111122101219 has 4 divisors (see below), whose sum is σ = 1196593032096. Its totient is φ = 1025651170344.

The previous prime is 1111122101207. The next prime is 1111122101227. The reversal of 1111122101219 is 9121012211111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111122101219 - 2⁴ = 1111122101203 is a prime.

It is a super-2 number, since 2×1111122101219² (a number of 25 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 = 1111122101194 and 1111122101203.

It is not an unprimeable number, because it can be changed into a prime (1111122101279) 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 3 ways as a sum of consecutive naturals, for example, 42735465419 + ... + 42735465444.

It is an arithmetic number, because the mean of its divisors is an integer number (299148258024).

Almost surely, 2^{1111122101219} is an apocalyptic number.

1111122101219 is a deficient number, since it is larger than the sum of its proper divisors (85470930877).

1111122101219 is an equidigital number, since it uses as much as digits as its factorization.

1111122101219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85470930876.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 1111122101219 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred nineteen".