1190445221011 has 4 divisors (see below), whose sum is σ = 1196427358000. Its totient is φ = 1184463084024.

The previous prime is 1190445220963. The next prime is 1190445221023. The reversal of 1190445221011 is 1101225440911.

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 1190445221011 - 2¹⁹ = 1190444696723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190445221051) 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, 2991068196 + ... + 2991068593.

It is an arithmetic number, because the mean of its divisors is an integer number (299106839500).

Almost surely, 2^{1190445221011} is an apocalyptic number.

1190445221011 is a deficient number, since it is larger than the sum of its proper divisors (5982136989).

1190445221011 is an equidigital number, since it uses as much as digits as its factorization.

1190445221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982136988.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 1190445221011 in words is "one trillion, one hundred ninety billion, four hundred forty-five million, two hundred twenty-one thousand, eleven".