11022421240 has 64 divisors (see below), whose sum is σ = 26272771200. Its totient is φ = 4147488768.

The previous prime is 11022421133. The next prime is 11022421243. The reversal of 11022421240 is 4212422011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022421243) 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, 2118322 + ... + 2123518.

It is an arithmetic number, because the mean of its divisors is an integer number (410512050).

Almost surely, 2^11022421240 is an apocalyptic number.

11022421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022421240 is an abundant number, since it is smaller than the sum of its proper divisors (15250349960).

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

11022421240 is a wasteful number, since it uses less digits than its factorization.

11022421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344 (or 8340 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11022421240 its reverse (4212422011), we get a palindrome (15234843251).

The spelling of 11022421240 in words is "eleven billion, twenty-two million, four hundred twenty-one thousand, two hundred forty".