11002220313131 has 4 divisors (see below), whose sum is σ = 11002273692192. Its totient is φ = 11002166934072.

The previous prime is 11002220313109. The next prime is 11002220313199. The reversal of 11002220313131 is 13131302220011.

It is a happy number.

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-11002220313131 is a prime.

It is a super-2 number, since 2×11002220313131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002220343131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26379155 + ... + 26792988.

It is an arithmetic number, because the mean of its divisors is an integer number (2750568423048).

Almost surely, 2^{11002220313131} is an apocalyptic number.

11002220313131 is a deficient number, since it is larger than the sum of its proper divisors (53379061).

11002220313131 is an equidigital number, since it uses as much as digits as its factorization.

11002220313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53379060.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11002220313131 its reverse (13131302220011), we get a palindrome (24133522533142).

The spelling of 11002220313131 in words is "eleven trillion, two billion, two hundred twenty million, three hundred thirteen thousand, one hundred thirty-one".