11021220313 has 8 divisors (see below), whose sum is σ = 11709709920. Its totient is φ = 10343573280.

The previous prime is 11021220311. The next prime is 11021220319. The reversal of 11021220313 is 31302212011.

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

It is a cyclic number.

It is not a de Polignac number, because 11021220313 - 2¹ = 11021220311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021220311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708548 + ... + 2712613.

It is an arithmetic number, because the mean of its divisors is an integer number (1463713740).

Almost surely, 2^11021220313 is an apocalyptic number.

It is an amenable number.

11021220313 is a deficient number, since it is larger than the sum of its proper divisors (688489607).

11021220313 is a wasteful number, since it uses less digits than its factorization.

11021220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421287.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11021220313 its reverse (31302212011), we get a palindrome (42323432324).

The spelling of 11021220313 in words is "eleven billion, twenty-one million, two hundred twenty thousand, three hundred thirteen".