11220111121101 has 4 divisors (see below), whose sum is σ = 14960148161472. Its totient is φ = 7480074080732.

The previous prime is 11220111121099. The next prime is 11220111121103. The reversal of 11220111121101 is 10112111102211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11220111121099) and next prime (11220111121103).

It is a cyclic number.

It is not a de Polignac number, because 11220111121101 - 2¹ = 11220111121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220111121103) 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, 1870018520181 + ... + 1870018520186.

It is an arithmetic number, because the mean of its divisors is an integer number (3740037040368).

Almost surely, 2^{11220111121101} is an apocalyptic number.

It is an amenable number.

11220111121101 is a deficient number, since it is larger than the sum of its proper divisors (3740037040371).

11220111121101 is an equidigital number, since it uses as much as digits as its factorization.

11220111121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740037040370.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11220111121101 its reverse (10112111102211), we get a palindrome (21332222223312).

The spelling of 11220111121101 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, one hundred one".