75221011201 has 4 divisors (see below), whose sum is σ = 85966869952. Its totient is φ = 64475152452.

The previous prime is 75221011193. The next prime is 75221011231. The reversal of 75221011201 is 10211012257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75221011201 - 2³ = 75221011193 is a prime.

It is a super-2 number, since 2×75221011201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75221011231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5372929365 + ... + 5372929378.

It is an arithmetic number, because the mean of its divisors is an integer number (21491717488).

Almost surely, 2^75221011201 is an apocalyptic number.

It is an amenable number.

75221011201 is a deficient number, since it is larger than the sum of its proper divisors (10745858751).

75221011201 is a wasteful number, since it uses less digits than its factorization.

75221011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745858750.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 75221011201 its reverse (10211012257), we get a palindrome (85432023458).

The spelling of 75221011201 in words is "seventy-five billion, two hundred twenty-one million, eleven thousand, two hundred one".