11201210101121 has 4 divisors (see below), whose sum is σ = 11358973623744. Its totient is φ = 11043446578500.

The previous prime is 11201210101073. The next prime is 11201210101157. The reversal of 11201210101121 is 12110101210211.

11201210101121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-11201210101121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201210101096 and 11201210101105.

It is not an unprimeable number, because it can be changed into a prime (11201210101721) 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, 78881761205 + ... + 78881761346.

It is an arithmetic number, because the mean of its divisors is an integer number (2839743405936).

Almost surely, 2^{11201210101121} is an apocalyptic number.

It is an amenable number.

11201210101121 is a deficient number, since it is larger than the sum of its proper divisors (157763522623).

11201210101121 is an equidigital number, since it uses as much as digits as its factorization.

11201210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157763522622.

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

Adding to 11201210101121 its reverse (12110101210211), we get a palindrome (23311311311332).

The spelling of 11201210101121 in words is "eleven trillion, two hundred one billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".