201485161121 has 2 divisors, whose sum is σ = 201485161122. Its totient is φ = 201485161120.

The previous prime is 201485161091. The next prime is 201485161127. The reversal of 201485161121 is 121161584102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162922020496 + 38563140625 = 403636^2 + 196375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201485161121 is a prime.

It is not a weakly prime, because it can be changed into another prime (201485161127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100742580560 + 100742580561.

It is an arithmetic number, because the mean of its divisors is an integer number (100742580561).

Almost surely, 2^201485161121 is an apocalyptic number.

It is an amenable number.

201485161121 is a deficient number, since it is larger than the sum of its proper divisors (1).

201485161121 is an equidigital number, since it uses as much as digits as its factorization.

201485161121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 201485161121 in words is "two hundred one billion, four hundred eighty-five million, one hundred sixty-one thousand, one hundred twenty-one".