11021240100 has 72 divisors (see below), whose sum is σ = 34341065920. Its totient is φ = 2712919680.

The previous prime is 11021240099. The next prime is 11021240141. The reversal of 11021240100 is 104212011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409080 + ... + 1416879.

Almost surely, 2^11021240100 is an apocalyptic number.

11021240100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021240100 is an abundant number, since it is smaller than the sum of its proper divisors (23319825820).

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

11021240100 is a wasteful number, since it uses less digits than its factorization.

11021240100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825989 (or 2825982 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11021240100 its reverse (104212011), we get a palindrome (11125452111).

The spelling of 11021240100 in words is "eleven billion, twenty-one million, two hundred forty thousand, one hundred".