120211723601 has 2 divisors, whose sum is σ = 120211723602. Its totient is φ = 120211723600.

The previous prime is 120211723591. The next prime is 120211723607. The reversal of 120211723601 is 106327112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109975140625 + 10236582976 = 331625^2 + 101176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120211723601 is a prime.

It is a super-2 number, since 2×120211723601² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120211723607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105861800 + 60105861801.

It is an arithmetic number, because the mean of its divisors is an integer number (60105861801).

Almost surely, 2^120211723601 is an apocalyptic number.

It is an amenable number.

120211723601 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211723601 is an equidigital number, since it uses as much as digits as its factorization.

120211723601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 120211723601 its reverse (106327112021), we get a palindrome (226538835622).

The spelling of 120211723601 in words is "one hundred twenty billion, two hundred eleven million, seven hundred twenty-three thousand, six hundred one".