201011240163 has 4 divisors (see below), whose sum is σ = 268014986888. Its totient is φ = 134007493440.

The previous prime is 201011240161. The next prime is 201011240201. The reversal of 201011240163 is 361042110102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201011240163 - 2¹ = 201011240161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201011240161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33501873358 + ... + 33501873363.

It is an arithmetic number, because the mean of its divisors is an integer number (67003746722).

Almost surely, 2^201011240163 is an apocalyptic number.

201011240163 is a deficient number, since it is larger than the sum of its proper divisors (67003746725).

201011240163 is an equidigital number, since it uses as much as digits as its factorization.

201011240163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67003746724.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 201011240163 its reverse (361042110102), we get a palindrome (562053350265).

The spelling of 201011240163 in words is "two hundred one billion, eleven million, two hundred forty thousand, one hundred sixty-three".