11021120032 has 72 divisors (see below), whose sum is σ = 23533963236. Its totient is φ = 5078301696.

The previous prime is 11021120029. The next prime is 11021120041. The reversal of 11021120032 is 23002112011.

It can be written as a sum of positive squares in 6 ways, for example, as 1307834896 + 9713285136 = 36164^2 + 98556^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11021119994 and 11021120021.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4308898 + ... + 4311454.

Almost surely, 2^11021120032 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 11021120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11766981618).

11021120032 is an abundant number, since it is smaller than the sum of its proper divisors (12512843204).

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

11021120032 is a wasteful number, since it uses less digits than its factorization.

11021120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11021120032 its reverse (23002112011), we get a palindrome (34023232043).

The spelling of 11021120032 in words is "eleven billion, twenty-one million, one hundred twenty thousand, thirty-two".