11220001121111 has 8 divisors (see below), whose sum is σ = 11394392439600. Its totient is φ = 11046851022400.

The previous prime is 11220001121041. The next prime is 11220001121137. The reversal of 11220001121111 is 11112110002211.

11220001121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220001121111 - 2¹⁸ = 11220000858967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220001121011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310286726 + ... + 310322883.

It is an arithmetic number, because the mean of its divisors is an integer number (1424299054950).

Almost surely, 2^{11220001121111} is an apocalyptic number.

11220001121111 is a deficient number, since it is larger than the sum of its proper divisors (174391318489).

11220001121111 is a wasteful number, since it uses less digits than its factorization.

11220001121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620609889.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11220001121111 its reverse (11112110002211), we get a palindrome (22332111123322).

The spelling of 11220001121111 in words is "eleven trillion, two hundred twenty billion, one million, one hundred twenty-one thousand, one hundred eleven".