11123301323021 has 8 divisors (see below), whose sum is σ = 11140021401600. Its totient is φ = 11106585146448.

The previous prime is 11123301323009. The next prime is 11123301323039. The reversal of 11123301323021 is 12032310332111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123301323021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123301323221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755380 + ... + 6697778.

It is an arithmetic number, because the mean of its divisors is an integer number (1392502675200).

Almost surely, 2^{11123301323021} is an apocalyptic number.

It is an amenable number.

11123301323021 is a deficient number, since it is larger than the sum of its proper divisors (16720078579).

11123301323021 is an equidigital number, since it uses as much as digits as its factorization.

11123301323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951003.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11123301323021 its reverse (12032310332111), we get a palindrome (23155611655132).

The spelling of 11123301323021 in words is "eleven trillion, one hundred twenty-three billion, three hundred one million, three hundred twenty-three thousand, twenty-one".