60221431327051 has 4 divisors (see below), whose sum is σ = 60380326924600. Its totient is φ = 60062535729504.

The previous prime is 60221431327027. The next prime is 60221431327069. The reversal of 60221431327051 is 15072313412206.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60221431327051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60221431327051.

It is not an unprimeable number, because it can be changed into a prime (60221431325051) 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, 79447798206 + ... + 79447798963.

It is an arithmetic number, because the mean of its divisors is an integer number (15095081731150).

Almost surely, 2^{60221431327051} is an apocalyptic number.

60221431327051 is a deficient number, since it is larger than the sum of its proper divisors (158895597549).

60221431327051 is a wasteful number, since it uses less digits than its factorization.

60221431327051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158895597548.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 60221431327051 its reverse (15072313412206), we get a palindrome (75293744739257).

The spelling of 60221431327051 in words is "sixty trillion, two hundred twenty-one billion, four hundred thirty-one million, three hundred twenty-seven thousand, fifty-one".