11121220201010 has 16 divisors (see below), whose sum is σ = 20020271175000. Its totient is φ = 4448027010816.

The previous prime is 11121220200997. The next prime is 11121220201079. The reversal of 11121220201010 is 1010202212111.

It can be written as a sum of positive squares in 4 ways, for example, as 7582792093969 + 3538428107041 = 2753687^2 + 1881071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57532385 + ... + 57725364.

Almost surely, 2^{11121220201010} is an apocalyptic number.

11121220201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121220201010 is a deficient number, since it is larger than the sum of its proper divisors (8899050973990).

11121220201010 is a wasteful number, since it uses less digits than its factorization.

11121220201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115267405.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121220201010 its reverse (1010202212111), we get a palindrome (12131422413121).

The spelling of 11121220201010 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, two hundred one thousand, ten".