11121012204023 has 4 divisors (see below), whose sum is σ = 11231121235848. Its totient is φ = 11010903172200.

The previous prime is 11121012203999. The next prime is 11121012204101. The reversal of 11121012204023 is 32040221012111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121012204023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121012203986 and 11121012204004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121012209023) 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, 55054515761 + ... + 55054515962.

It is an arithmetic number, because the mean of its divisors is an integer number (2807780308962).

Almost surely, 2^{11121012204023} is an apocalyptic number.

11121012204023 is a deficient number, since it is larger than the sum of its proper divisors (110109031825).

11121012204023 is a wasteful number, since it uses less digits than its factorization.

11121012204023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110109031824.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11121012204023 its reverse (32040221012111), we get a palindrome (43161233216134).

The spelling of 11121012204023 in words is "eleven trillion, one hundred twenty-one billion, twelve million, two hundred four thousand, twenty-three".