11121220011305 has 32 divisors (see below), whose sum is σ = 13434316800000. Its totient is φ = 8837899766784.

The previous prime is 11121220011299. The next prime is 11121220011337. The reversal of 11121220011305 is 50311002212111.

It is a cyclic number.

It is not a de Polignac number, because 11121220011305 - 2⁴ = 11121220011289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1894905911 + ... + 1894911779.

It is an arithmetic number, because the mean of its divisors is an integer number (419822400000).

Almost surely, 2^{11121220011305} is an apocalyptic number.

It is an amenable number.

11121220011305 is a deficient number, since it is larger than the sum of its proper divisors (2313096788695).

11121220011305 is a wasteful number, since it uses less digits than its factorization.

11121220011305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 11121220011305 its reverse (50311002212111), we get a palindrome (61432222223416).

The spelling of 11121220011305 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, eleven thousand, three hundred five".