4030030204221 has 16 divisors (see below), whose sum is σ = 6168051270144. Its totient is φ = 2292729578544.

The previous prime is 4030030204217. The next prime is 4030030204237. The reversal of 4030030204221 is 1224020300304.

It is not a de Polignac number, because 4030030204221 - 2² = 4030030204217 is a prime.

It is a super-2 number, since 2×4030030204221² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030030204241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422696115 + ... + 422705648.

It is an arithmetic number, because the mean of its divisors is an integer number (385503204384).

Almost surely, 2^{4030030204221} is an apocalyptic number.

It is an amenable number.

4030030204221 is a deficient number, since it is larger than the sum of its proper divisors (2138021065923).

4030030204221 is a wasteful number, since it uses less digits than its factorization.

4030030204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845402000.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 4030030204221 its reverse (1224020300304), we get a palindrome (5254050504525).

The spelling of 4030030204221 in words is "four trillion, thirty billion, thirty million, two hundred four thousand, two hundred twenty-one".