1100221119979 has 4 divisors (see below), whose sum is σ = 1100657545000. Its totient is φ = 1099784694960.

The previous prime is 1100221119971. The next prime is 1100221120043. The reversal of 1100221119979 is 9799111220011.

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 1100221119979 - 2³ = 1100221119971 is a prime.

It is a super-2 number, since 2×1100221119979² (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 (1100221119971) 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, 218208729 + ... + 218213770.

It is an arithmetic number, because the mean of its divisors is an integer number (275164386250).

Almost surely, 2^{1100221119979} is an apocalyptic number.

1100221119979 is a deficient number, since it is larger than the sum of its proper divisors (436425021).

1100221119979 is an equidigital number, since it uses as much as digits as its factorization.

1100221119979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436425020.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 1100221119979 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred nineteen thousand, nine hundred seventy-nine".