11421344100 has 72 divisors (see below), whose sum is σ = 33061751968. Its totient is φ = 3044217600.

The previous prime is 11421344059. The next prime is 11421344119. The reversal of 11421344100 is 144312411.

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, 703272 + ... + 719328.

Almost surely, 2^11421344100 is an apocalyptic number.

11421344100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11421344100 is an abundant number, since it is smaller than the sum of its proper divisors (21640407868).

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

11421344100 is a wasteful number, since it uses less digits than its factorization.

11421344100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18445 (or 18438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11421344100 its reverse (144312411), we get a palindrome (11565656511).

The spelling of 11421344100 in words is "eleven billion, four hundred twenty-one million, three hundred forty-four thousand, one hundred".