11421022004 has 24 divisors (see below), whose sum is σ = 22844881920. Its totient is φ = 4894115616.

The previous prime is 11421021973. The next prime is 11421022013. The reversal of 11421022004 is 40022012411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260717 + ... + 301355.

It is an arithmetic number, because the mean of its divisors is an integer number (951870080).

Almost surely, 2^11421022004 is an apocalyptic number.

11421022004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11421022004 is an abundant number, since it is smaller than the sum of its proper divisors (11423859916).

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

11421022004 is a wasteful number, since it uses less digits than its factorization.

11421022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50687 (or 50685 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11421022004 its reverse (40022012411), we get a palindrome (51443034415).

The spelling of 11421022004 in words is "eleven billion, four hundred twenty-one million, twenty-two thousand, four".