201023100210 has 64 divisors (see below), whose sum is σ = 491752166400. Its totient is φ = 52577337792.

The previous prime is 201023100181. The next prime is 201023100251. The reversal of 201023100210 is 12001320102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647677 + ... + 906383.

It is an arithmetic number, because the mean of its divisors is an integer number (7683627600).

Almost surely, 2^201023100210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201023100210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245876083200).

201023100210 is an abundant number, since it is smaller than the sum of its proper divisors (290729066190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201023100210 is a wasteful number, since it uses less digits than its factorization.

201023100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259215.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201023100210 its reverse (12001320102), we get a palindrome (213024420312).

The spelling of 201023100210 in words is "two hundred one billion, twenty-three million, one hundred thousand, two hundred ten".