11121222100011 has 4 divisors (see below), whose sum is σ = 14828296133352. Its totient is φ = 7414148066672.

The previous prime is 11121222099959. The next prime is 11121222100057. The reversal of 11121222100011 is 11000122212111.

It is a happy number.

11121222100011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11121222100011 - 2¹⁵ = 11121222067243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121222120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853537016666 + ... + 1853537016671.

It is an arithmetic number, because the mean of its divisors is an integer number (3707074033338).

Almost surely, 2^{11121222100011} is an apocalyptic number.

11121222100011 is a deficient number, since it is larger than the sum of its proper divisors (3707074033341).

11121222100011 is an equidigital number, since it uses as much as digits as its factorization.

11121222100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707074033340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11121222100011 its reverse (11000122212111), we get a palindrome (22121344312122).

The spelling of 11121222100011 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, eleven".