11023013221312 has 56 divisors (see below), whose sum is σ = 22158033408000. Its totient is φ = 5439933048576.

The previous prime is 11023013221303. The next prime is 11023013221321. The reversal of 11023013221312 is 21312231032011.

It is an interprime number because it is at equal distance from previous prime (11023013221303) and next prime (11023013221321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14923689 + ... + 15644887.

It is an arithmetic number, because the mean of its divisors is an integer number (395679168000).

Almost surely, 2^{11023013221312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11023013221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11079016704000).

11023013221312 is an abundant number, since it is smaller than the sum of its proper divisors (11135020186688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11023013221312 is an equidigital number, since it uses as much as digits as its factorization.

11023013221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724313 (or 724303 counting only the distinct ones).

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

Adding to 11023013221312 its reverse (21312231032011), we get a palindrome (32335244253323).

The spelling of 11023013221312 in words is "eleven trillion, twenty-three billion, thirteen million, two hundred twenty-one thousand, three hundred twelve".