11210012210161 has 2 divisors, whose sum is σ = 11210012210162. Its totient is φ = 11210012210160.

The previous prime is 11210012210147. The next prime is 11210012210239. The reversal of 11210012210161 is 16101221001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5696527827600 + 5513484382561 = 2386740^2 + 2348081^2 .

It is an emirp because it is prime and its reverse (16101221001211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11210012210161 - 2²³ = 11210003821553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210012210261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605006105080 + 5605006105081.

It is an arithmetic number, because the mean of its divisors is an integer number (5605006105081).

Almost surely, 2^{11210012210161} is an apocalyptic number.

It is an amenable number.

11210012210161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210012210161 is an equidigital number, since it uses as much as digits as its factorization.

11210012210161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11210012210161 its reverse (16101221001211), we get a palindrome (27311233211372).

The spelling of 11210012210161 in words is "eleven trillion, two hundred ten billion, twelve million, two hundred ten thousand, one hundred sixty-one".