4021210021004 has 48 divisors (see below), whose sum is σ = 7757378366976. Its totient is φ = 1808671704000.

The previous prime is 4021210020967. The next prime is 4021210021079. The reversal of 4021210021004 is 4001200121204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7394429 + ... + 7919595.

It is an arithmetic number, because the mean of its divisors is an integer number (161612049312).

Almost surely, 2^{4021210021004} is an apocalyptic number.

4021210021004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021210021004 is a deficient number, since it is larger than the sum of its proper divisors (3736168345972).

4021210021004 is a wasteful number, since it uses less digits than its factorization.

4021210021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527006 (or 527004 counting only the distinct ones).

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

Adding to 4021210021004 its reverse (4001200121204), we get a palindrome (8022410142208).

The spelling of 4021210021004 in words is "four trillion, twenty-one billion, two hundred ten million, twenty-one thousand, four".