11033311422 has 64 divisors (see below), whose sum is σ = 25974051840. Its totient is φ = 3058477056.

The previous prime is 11033311409. The next prime is 11033311427. The reversal of 11033311422 is 22411333011.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033311427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547998 + ... + 567774.

It is an arithmetic number, because the mean of its divisors is an integer number (405844560).

Almost surely, 2^11033311422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11033311422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12987025920).

11033311422 is an abundant number, since it is smaller than the sum of its proper divisors (14940740418).

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

11033311422 is a wasteful number, since it uses less digits than its factorization.

11033311422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20185.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11033311422 its reverse (22411333011), we get a palindrome (33444644433).

The spelling of 11033311422 in words is "eleven billion, thirty-three million, three hundred eleven thousand, four hundred twenty-two".