11021212113023 has 4 divisors (see below), whose sum is σ = 12595670986320. Its totient is φ = 9446753239728.

The previous prime is 11021212113019. The next prime is 11021212113061. The reversal of 11021212113023 is 32031121212011.

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

It is not a de Polignac number, because 11021212113023 - 2² = 11021212113019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021212112986 and 11021212113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021212118023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787229436638 + ... + 787229436651.

It is an arithmetic number, because the mean of its divisors is an integer number (3148917746580).

Almost surely, 2^{11021212113023} is an apocalyptic number.

11021212113023 is a deficient number, since it is larger than the sum of its proper divisors (1574458873297).

11021212113023 is an equidigital number, since it uses as much as digits as its factorization.

11021212113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574458873296.

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

Adding to 11021212113023 its reverse (32031121212011), we get a palindrome (43052333325034).

The spelling of 11021212113023 in words is "eleven trillion, twenty-one billion, two hundred twelve million, one hundred thirteen thousand, twenty-three".