11123023102121 has 4 divisors (see below), whose sum is σ = 12712026402432. Its totient is φ = 9534019801812.

The previous prime is 11123023102117. The next prime is 11123023102153. The reversal of 11123023102121 is 12120132032111.

11123023102121 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 not a de Polignac number, because 11123023102121 - 2² = 11123023102117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11123023102093 and 11123023102102.

It is not an unprimeable number, because it can be changed into a prime (11123023102181) 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, 794501650145 + ... + 794501650158.

It is an arithmetic number, because the mean of its divisors is an integer number (3178006600608).

Almost surely, 2^{11123023102121} is an apocalyptic number.

It is an amenable number.

11123023102121 is a deficient number, since it is larger than the sum of its proper divisors (1589003300311).

11123023102121 is an equidigital number, since it uses as much as digits as its factorization.

11123023102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589003300310.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11123023102121 its reverse (12120132032111), we get a palindrome (23243155134232).

The spelling of 11123023102121 in words is "eleven trillion, one hundred twenty-three billion, twenty-three million, one hundred two thousand, one hundred twenty-one".