11021234420040 has 128 divisors (see below), whose sum is σ = 36138514124160. Its totient is φ = 2672427884544.

The previous prime is 11021234419997. The next prime is 11021234420047. The reversal of 11021234420040 is 4002443212011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11021234420047) 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, 52618569 + ... + 52827608.

It is an arithmetic number, because the mean of its divisors is an integer number (282332141595).

Almost surely, 2^{11021234420040} is an apocalyptic number.

11021234420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021234420040 is an abundant number, since it is smaller than the sum of its proper divisors (25117279704120).

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

11021234420040 is a wasteful number, since it uses less digits than its factorization.

11021234420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105446271 (or 105446267 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11021234420040 its reverse (4002443212011), we get a palindrome (15023677632051).

The spelling of 11021234420040 in words is "eleven trillion, twenty-one billion, two hundred thirty-four million, four hundred twenty thousand, forty".