75201220221112 has 16 divisors (see below), whose sum is σ = 141002415213840. Its totient is φ = 37600576164096.

The previous prime is 75201220221103. The next prime is 75201220221121. The reversal of 75201220221112 is 21112202210257.

It is an interprime number because it is at equal distance from previous prime (75201220221103) and next prime (75201220221121).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6889933 + ... + 14066755.

It is an arithmetic number, because the mean of its divisors is an integer number (8812650950865).

Almost surely, 2^{75201220221112} is an apocalyptic number.

It is an amenable number.

75201220221112 is a deficient number, since it is larger than the sum of its proper divisors (65801194992728).

75201220221112 is a wasteful number, since it uses less digits than its factorization.

75201220221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486622 (or 8486618 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 75201220221112 its reverse (21112202210257), we get a palindrome (96313422431369).

The spelling of 75201220221112 in words is "seventy-five trillion, two hundred one billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".