162113364121 has 2 divisors, whose sum is σ = 162113364122. Its totient is φ = 162113364120.

The previous prime is 162113364109. The next prime is 162113364143. The reversal of 162113364121 is 121463311261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117279536521 + 44833827600 = 342461^2 + 211740^2 .

It is a cyclic number.

It is not a de Polignac number, because 162113364121 - 2⁵ = 162113364089 is a prime.

It is not a weakly prime, because it can be changed into another prime (162113364421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81056682060 + 81056682061.

It is an arithmetic number, because the mean of its divisors is an integer number (81056682061).

Almost surely, 2^162113364121 is an apocalyptic number.

It is an amenable number.

162113364121 is a deficient number, since it is larger than the sum of its proper divisors (1).

162113364121 is an equidigital number, since it uses as much as digits as its factorization.

162113364121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

Adding to 162113364121 its reverse (121463311261), we get a palindrome (283576675382).

The spelling of 162113364121 in words is "one hundred sixty-two billion, one hundred thirteen million, three hundred sixty-four thousand, one hundred twenty-one".