201023311210 has 16 divisors (see below), whose sum is σ = 365907601800. Its totient is φ = 79505848576.

The previous prime is 201023311091. The next prime is 201023311211. The reversal of 201023311210 is 12113320102.

It can be written as a sum of positive squares in 4 ways, for example, as 61981579521 + 139041731689 = 248961^2 + 372883^2 .

It is not an unprimeable number, because it can be changed into a prime (201023311211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112933555 + ... + 112935334.

Almost surely, 2^201023311210 is an apocalyptic number.

201023311210 is a deficient number, since it is larger than the sum of its proper divisors (164884290590).

201023311210 is a wasteful number, since it uses less digits than its factorization.

201023311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225868985.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201023311210 its reverse (12113320102), we get a palindrome (213136631312).

The spelling of 201023311210 in words is "two hundred one billion, twenty-three million, three hundred eleven thousand, two hundred ten".