10021231401161 has 2 divisors, whose sum is σ = 10021231401162. Its totient is φ = 10021231401160.

The previous prime is 10021231401143. The next prime is 10021231401163. The reversal of 10021231401161 is 16110413212001.

10021231401161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9597975763600 + 423255637561 = 3098060^2 + 650581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021231401161 is a prime.

Together with 10021231401163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10021231401163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010615700580 + 5010615700581.

It is an arithmetic number, because the mean of its divisors is an integer number (5010615700581).

Almost surely, 2^{10021231401161} is an apocalyptic number.

It is an amenable number.

10021231401161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021231401161 is an equidigital number, since it uses as much as digits as its factorization.

10021231401161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 10021231401161 its reverse (16110413212001), we get a palindrome (26131644613162).

The spelling of 10021231401161 in words is "ten trillion, twenty-one billion, two hundred thirty-one million, four hundred one thousand, one hundred sixty-one".