11120211111121 has 4 divisors (see below), whose sum is σ = 12708812698432. Its totient is φ = 9531609523812.

The previous prime is 11120211111071. The next prime is 11120211111131. The reversal of 11120211111121 is 12111111202111.

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 a cyclic number.

It is not a de Polignac number, because 11120211111121 - 2¹⁷ = 11120210980049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120211111095 and 11120211111104.

It is not an unprimeable number, because it can be changed into a prime (11120211111131) 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, 794300793645 + ... + 794300793658.

It is an arithmetic number, because the mean of its divisors is an integer number (3177203174608).

Almost surely, 2^{11120211111121} is an apocalyptic number.

It is an amenable number.

11120211111121 is a deficient number, since it is larger than the sum of its proper divisors (1588601587311).

11120211111121 is an equidigital number, since it uses as much as digits as its factorization.

11120211111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588601587310.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11120211111121 its reverse (12111111202111), we get a palindrome (23231322313232).

The spelling of 11120211111121 in words is "eleven trillion, one hundred twenty billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-one".