1111220111986 has 8 divisors (see below), whose sum is σ = 1666847548080. Its totient is φ = 555604262628.

The previous prime is 1111220111959. The next prime is 1111220111987. The reversal of 1111220111986 is 6891110221111.

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

It is not an unprimeable number, because it can be changed into a prime (1111220111987) 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, 2652816 + ... + 3043003.

It is an arithmetic number, because the mean of its divisors is an integer number (208355943510).

Almost surely, 2^{1111220111986} is an apocalyptic number.

1111220111986 is a deficient number, since it is larger than the sum of its proper divisors (555627436094).

1111220111986 is an equidigital number, since it uses as much as digits as its factorization.

1111220111986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793368.

The product of its (nonzero) digits is 1728, while the sum is 34.

The spelling of 1111220111986 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred eleven thousand, nine hundred eighty-six".