11020421003240 has 64 divisors (see below), whose sum is σ = 27317947403520. Its totient is φ = 3967748320000.

The previous prime is 11020421003203. The next prime is 11020421003243. The reversal of 11020421003240 is 4230012402011.

11020421003240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11020421003243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123947696 + ... + 124036575.

It is an arithmetic number, because the mean of its divisors is an integer number (426842928180).

Almost surely, 2^{11020421003240} is an apocalyptic number.

11020421003240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020421003240 is an abundant number, since it is smaller than the sum of its proper divisors (16297526400280).

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

11020421003240 is a wasteful number, since it uses less digits than its factorization.

11020421003240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247984394 (or 247984390 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11020421003240 its reverse (4230012402011), we get a palindrome (15250433405251).

The spelling of 11020421003240 in words is "eleven trillion, twenty billion, four hundred twenty-one million, three thousand, two hundred forty".