11012213023 has 8 divisors (see below), whose sum is σ = 12925532192. Its totient is φ = 9183930336.

The previous prime is 11012212969. The next prime is 11012213041. The reversal of 11012213023 is 32031221011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11012213023 - 2²¹ = 11010115871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012212988 and 11012213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012213623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21258840 + ... + 21259357.

It is an arithmetic number, because the mean of its divisors is an integer number (1615691524).

Almost surely, 2^11012213023 is an apocalyptic number.

11012213023 is a deficient number, since it is larger than the sum of its proper divisors (1913319169).

11012213023 is an equidigital number, since it uses as much as digits as its factorization.

11012213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42518241.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11012213023 its reverse (32031221011), we get a palindrome (43043434034).

The spelling of 11012213023 in words is "eleven billion, twelve million, two hundred thirteen thousand, twenty-three".