750421200221 has 24 divisors (see below), whose sum is σ = 973086868992. Its totient is φ = 565881069600.

The previous prime is 750421200211. The next prime is 750421200239. The reversal of 750421200221 is 122002124057.

It is not a de Polignac number, because 750421200221 - 2¹⁰ = 750421199197 is a prime.

It is a super-2 number, since 2×750421200221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750421200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14263670 + ... + 14316183.

It is an arithmetic number, because the mean of its divisors is an integer number (40545286208).

Almost surely, 2^750421200221 is an apocalyptic number.

It is an amenable number.

750421200221 is a deficient number, since it is larger than the sum of its proper divisors (222665668771).

750421200221 is a wasteful number, since it uses less digits than its factorization.

750421200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28579913 (or 28579902 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 750421200221 its reverse (122002124057), we get a palindrome (872423324278).

The spelling of 750421200221 in words is "seven hundred fifty billion, four hundred twenty-one million, two hundred thousand, two hundred twenty-one".