1013221302011 has 4 divisors (see below), whose sum is σ = 1013897235000. Its totient is φ = 1012545369024.

The previous prime is 1013221301923. The next prime is 1013221302017. The reversal of 1013221302011 is 1102031223101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013221302011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013221302017) 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, 337964246 + ... + 337967243.

It is an arithmetic number, because the mean of its divisors is an integer number (253474308750).

Almost surely, 2^{1013221302011} is an apocalyptic number.

1013221302011 is a deficient number, since it is larger than the sum of its proper divisors (675932989).

1013221302011 is an equidigital number, since it uses as much as digits as its factorization.

1013221302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675932988.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1013221302011 its reverse (1102031223101), we get a palindrome (2115252525112).

The spelling of 1013221302011 in words is "one trillion, thirteen billion, two hundred twenty-one million, three hundred two thousand, eleven".