1116221220499 has 16 divisors (see below), whose sum is σ = 1452159060480. Its totient is φ = 831966125760.

The previous prime is 1116221220467. The next prime is 1116221220551. The reversal of 1116221220499 is 9940221226111.

It is not a de Polignac number, because 1116221220499 - 2⁵ = 1116221220467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116221220409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315136914 + ... + 315140455.

It is an arithmetic number, because the mean of its divisors is an integer number (90759941280).

Almost surely, 2^{1116221220499} is an apocalyptic number.

1116221220499 is a deficient number, since it is larger than the sum of its proper divisors (335937839981).

1116221220499 is a wasteful number, since it uses less digits than its factorization.

1116221220499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630277410.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 1116221220499 in words is "one trillion, one hundred sixteen billion, two hundred twenty-one million, two hundred twenty thousand, four hundred ninety-nine".