11023121233021 has 4 divisors (see below), whose sum is σ = 11024467001344. Its totient is φ = 11021775464700.

The previous prime is 11023121232971. The next prime is 11023121233099. The reversal of 11023121233021 is 12033212132011.

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 11023121233021 - 2¹¹ = 11023121230973 is a prime.

It is a super-2 number, since 2×11023121233021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11023121232983 and 11023121233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023121203021) 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, 672871875 + ... + 672888256.

It is an arithmetic number, because the mean of its divisors is an integer number (2756116750336).

Almost surely, 2^{11023121233021} is an apocalyptic number.

It is an amenable number.

11023121233021 is a deficient number, since it is larger than the sum of its proper divisors (1345768323).

11023121233021 is an equidigital number, since it uses as much as digits as its factorization.

11023121233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345768322.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11023121233021 its reverse (12033212132011), we get a palindrome (23056333365032).

The spelling of 11023121233021 in words is "eleven trillion, twenty-three billion, one hundred twenty-one million, two hundred thirty-three thousand, twenty-one".