11421001002 has 32 divisors (see below), whose sum is σ = 22964944320. Its totient is φ = 3786560640.

The previous prime is 11421000991. The next prime is 11421001019. The reversal of 11421001002 is 20010012411.

It is a happy number.

11421001002 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960252 + ... + 972072.

It is an arithmetic number, because the mean of its divisors is an integer number (717654510).

Almost surely, 2^11421001002 is an apocalyptic number.

11421001002 is an abundant number, since it is smaller than the sum of its proper divisors (11543943318).

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

11421001002 is a wasteful number, since it uses less digits than its factorization.

11421001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678.

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

Adding to 11421001002 its reverse (20010012411), we get a palindrome (31431013413).

The spelling of 11421001002 in words is "eleven billion, four hundred twenty-one million, one thousand, two".