11421004012 has 12 divisors (see below), whose sum is σ = 21803735016. Its totient is φ = 5191365440.

The previous prime is 11421004003. The next prime is 11421004033. The reversal of 11421004012 is 21040012411.

It is a happy number.

It is a super-2 number, since 2×11421004012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129784093 + ... + 129784180.

It is an arithmetic number, because the mean of its divisors is an integer number (1816977918).

Almost surely, 2^11421004012 is an apocalyptic number.

It is an amenable number.

11421004012 is a deficient number, since it is larger than the sum of its proper divisors (10382731004).

11421004012 is a wasteful number, since it uses less digits than its factorization.

11421004012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259568288 (or 259568286 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11421004012 its reverse (21040012411), we get a palindrome (32461016423).

The spelling of 11421004012 in words is "eleven billion, four hundred twenty-one million, four thousand, twelve".