11200112020121 has 4 divisors (see below), whose sum is σ = 11200146438912. Its totient is φ = 11200077601332.

The previous prime is 11200112020099. The next prime is 11200112020189. The reversal of 11200112020121 is 12102021100211.

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 11200112020121 - 2¹⁸ = 11200111757977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200112020096 and 11200112020105.

It is not an unprimeable number, because it can be changed into a prime (11200112020421) 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, 16716581 + ... + 17373666.

It is an arithmetic number, because the mean of its divisors is an integer number (2800036609728).

Almost surely, 2^{11200112020121} is an apocalyptic number.

It is an amenable number.

11200112020121 is a deficient number, since it is larger than the sum of its proper divisors (34418791).

11200112020121 is an equidigital number, since it uses as much as digits as its factorization.

11200112020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34418790.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11200112020121 its reverse (12102021100211), we get a palindrome (23302133120332).

The spelling of 11200112020121 in words is "eleven trillion, two hundred billion, one hundred twelve million, twenty thousand, one hundred twenty-one".