11021221100313 has 24 divisors (see below), whose sum is σ = 16358768994048. Its totient is φ = 7144978276512.

The previous prime is 11021221100251. The next prime is 11021221100317. The reversal of 11021221100313 is 31300112212011.

11021221100313 is a `hidden beast` number, since 1 + 10 + 21 + 221 + 100 + 313 = 666.

It is not a de Polignac number, because 11021221100313 - 2⁶ = 11021221100249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11021221100317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8470495 + ... + 9684612.

It is an arithmetic number, because the mean of its divisors is an integer number (681615374752).

Almost surely, 2^{11021221100313} is an apocalyptic number.

It is an amenable number.

11021221100313 is a deficient number, since it is larger than the sum of its proper divisors (5337547893735).

11021221100313 is a wasteful number, since it uses less digits than its factorization.

11021221100313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156973 (or 18156970 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11021221100313 its reverse (31300112212011), we get a palindrome (42321333312324).

The spelling of 11021221100313 in words is "eleven trillion, twenty-one billion, two hundred twenty-one million, one hundred thousand, three hundred thirteen".