75010002212221 has 8 divisors (see below), whose sum is σ = 75190147724160. Its totient is φ = 74829979797552.

The previous prime is 75010002212191. The next prime is 75010002212297. The reversal of 75010002212221 is 12221220001057.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75010002212221 - 2¹³ = 75010002204029 is a prime.

It is a super-3 number, since 3×75010002212221³ (a number of 43 digits) contains 333 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 (75010002212521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29554086 + ... + 31991623.

It is an arithmetic number, because the mean of its divisors is an integer number (9398768465520).

Almost surely, 2^{75010002212221} is an apocalyptic number.

It is an amenable number.

75010002212221 is a deficient number, since it is larger than the sum of its proper divisors (180145511939).

75010002212221 is a wasteful number, since it uses less digits than its factorization.

75010002212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61548635.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 75010002212221 its reverse (12221220001057), we get a palindrome (87231222213278).

The spelling of 75010002212221 in words is "seventy-five trillion, ten billion, two million, two hundred twelve thousand, two hundred twenty-one".