11120221121103 has 12 divisors (see below), whose sum is σ = 16365608443080. Its totient is φ = 7273603751856.

The previous prime is 11120221121101. The next prime is 11120221121137. The reversal of 11120221121103 is 30112112202111.

It is a happy number.

It is not a de Polignac number, because 11120221121103 - 2¹ = 11120221121101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120221121101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11656415793 + ... + 11656416746.

It is an arithmetic number, because the mean of its divisors is an integer number (1363800703590).

Almost surely, 2^{11120221121103} is an apocalyptic number.

11120221121103 is a deficient number, since it is larger than the sum of its proper divisors (5245387321977).

11120221121103 is a wasteful number, since it uses less digits than its factorization.

11120221121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23312832598 (or 23312832595 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11120221121103 its reverse (30112112202111), we get a palindrome (41232333323214).

The spelling of 11120221121103 in words is "eleven trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred three".