36354421121 has 2 divisors, whose sum is σ = 36354421122. Its totient is φ = 36354421120.

The previous prime is 36354421109. The next prime is 36354421157. The reversal of 36354421121 is 12112445363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18434850625 + 17919570496 = 135775^2 + 133864^2 .

It is an emirp because it is prime and its reverse (12112445363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36354421121 - 2⁶ = 36354421057 is a prime.

It is not a weakly prime, because it can be changed into another prime (36354421021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18177210560 + 18177210561.

It is an arithmetic number, because the mean of its divisors is an integer number (18177210561).

Almost surely, 2^36354421121 is an apocalyptic number.

It is an amenable number.

36354421121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36354421121 is an equidigital number, since it uses as much as digits as its factorization.

36354421121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

Adding to 36354421121 its reverse (12112445363), we get a palindrome (48466866484).

The spelling of 36354421121 in words is "thirty-six billion, three hundred fifty-four million, four hundred twenty-one thousand, one hundred twenty-one".