201023113216 has 24 divisors (see below), whose sum is σ = 401948074710. Its totient is φ = 100511555584.

The previous prime is 201023113199. The next prime is 201023113217. The reversal of 201023113216 is 612311320102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 162957542400 + 38065570816 = 403680^2 + 195104^2 .

It is not an unprimeable number, because it can be changed into a prime (201023113217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49075861 + ... + 49079956.

Almost surely, 2^201023113216 is an apocalyptic number.

It is an amenable number.

201023113216 is a deficient number, since it is larger than the sum of its proper divisors (200924961494).

201023113216 is an frugal number, since it uses more digits than its factorization.

201023113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98155839 (or 98155819 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201023113216 its reverse (612311320102), we get a palindrome (813334433318).

The spelling of 201023113216 in words is "two hundred one billion, twenty-three million, one hundred thirteen thousand, two hundred sixteen".