601107221651 has 2 divisors, whose sum is σ = 601107221652. Its totient is φ = 601107221650.

The previous prime is 601107221569. The next prime is 601107221681. The reversal of 601107221651 is 156122701106.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601107221651 is a prime.

It is a super-2 number, since 2×601107221651² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (601107221681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300553610825 + 300553610826.

It is an arithmetic number, because the mean of its divisors is an integer number (300553610826).

Almost surely, 2^601107221651 is an apocalyptic number.

601107221651 is a deficient number, since it is larger than the sum of its proper divisors (1).

601107221651 is an equidigital number, since it uses as much as digits as its factorization.

601107221651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 601107221651 its reverse (156122701106), we get a palindrome (757229922757).

The spelling of 601107221651 in words is "six hundred one billion, one hundred seven million, two hundred twenty-one thousand, six hundred fifty-one".