60221121 has 4 divisors (see below), whose sum is σ = 80294832. Its totient is φ = 40147412.

The previous prime is 60221101. The next prime is 60221129. The reversal of 60221121 is 12112206.

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 a de Polignac number, because none of the positive numbers 2^k-60221121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60221121.

It is not an unprimeable number, because it can be changed into a prime (60221129) 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, 10036851 + ... + 10036856.

It is an arithmetic number, because the mean of its divisors is an integer number (20073708).

Almost surely, 2^60221121 is an apocalyptic number.

It is an amenable number.

60221121 is a deficient number, since it is larger than the sum of its proper divisors (20073711).

60221121 is a wasteful number, since it uses less digits than its factorization.

60221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20073710.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 60221121 is about 7760.2268652405. The cubic root of 60221121 is about 391.9670964504.

Adding to 60221121 its reverse (12112206), we get a palindrome (72333327).

The spelling of 60221121 in words is "sixty million, two hundred twenty-one thousand, one hundred twenty-one".