1111220112019 has 4 divisors (see below), whose sum is σ = 1111228593696. Its totient is φ = 1111211630344.

The previous prime is 1111220111987. The next prime is 1111220112103. The reversal of 1111220112019 is 9102110221111.

It is a happy number.

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 1111220112019 - 2⁵ = 1111220111987 is a prime.

It is a super-2 number, since 2×1111220112019² (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 (1111220112319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041184 + ... + 4307389.

It is an arithmetic number, because the mean of its divisors is an integer number (277807148424).

Almost surely, 2^{1111220112019} is an apocalyptic number.

1111220112019 is a deficient number, since it is larger than the sum of its proper divisors (8481677).

1111220112019 is an equidigital number, since it uses as much as digits as its factorization.

1111220112019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481676.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 1111220112019 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, nineteen".