1111220000111 has 4 divisors (see below), whose sum is σ = 1196698461672. Its totient is φ = 1025741538552.

The previous prime is 1111220000087. The next prime is 1111220000117. The reversal of 1111220000111 is 1110000221111.

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 1111220000111 - 2⁶ = 1111220000047 is a prime.

It is a super-3 number, since 3×1111220000111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1111220000092 and 1111220000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220000117) 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, 42739230761 + ... + 42739230786.

It is an arithmetic number, because the mean of its divisors is an integer number (299174615418).

Almost surely, 2^{1111220000111} is an apocalyptic number.

1111220000111 is a deficient number, since it is larger than the sum of its proper divisors (85478461561).

1111220000111 is an equidigital number, since it uses as much as digits as its factorization.

1111220000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85478461560.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111220000111 its reverse (1110000221111), we get a palindrome (2221220221222).

The spelling of 1111220000111 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred eleven", and thus it is an aban number.