93220121 has 4 divisors (see below), whose sum is σ = 93285732. Its totient is φ = 93154512.

The previous prime is 93220117. The next prime is 93220133. The reversal of 93220121 is 12102239.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89038096 + 4182025 = 9436^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 93220121 - 2² = 93220117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93220093 and 93220102.

It is not an unprimeable number, because it can be changed into a prime (93220151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30626 + ... + 33531.

It is an arithmetic number, because the mean of its divisors is an integer number (23321433).

Almost surely, 2^93220121 is an apocalyptic number.

It is an amenable number.

93220121 is a deficient number, since it is larger than the sum of its proper divisors (65611).

93220121 is a wasteful number, since it uses less digits than its factorization.

93220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65610.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 93220121 is about 9655.0567579896. The cubic root of 93220121 is about 453.4226603938.

The spelling of 93220121 in words is "ninety-three million, two hundred twenty thousand, one hundred twenty-one".