4501120252421 has 16 divisors (see below), whose sum is σ = 4905995357760. Its totient is φ = 4104626348160.

The previous prime is 4501120252379. The next prime is 4501120252463. The reversal of 4501120252421 is 1242520211054.

It is an interprime number because it is at equal distance from previous prime (4501120252379) and next prime (4501120252463).

It is a de Polignac number, because none of the positive numbers 2^k-4501120252421 is a prime.

It is a super-2 number, since 2×4501120252421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4501120222421) 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, 25732226 + ... + 25906556.

It is an arithmetic number, because the mean of its divisors is an integer number (306624709860).

Almost surely, 2^{4501120252421} is an apocalyptic number.

It is an amenable number.

4501120252421 is a deficient number, since it is larger than the sum of its proper divisors (404875105339).

4501120252421 is a wasteful number, since it uses less digits than its factorization.

4501120252421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198356.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 4501120252421 its reverse (1242520211054), we get a palindrome (5743640463475).

The spelling of 4501120252421 in words is "four trillion, five hundred one billion, one hundred twenty million, two hundred fifty-two thousand, four hundred twenty-one".