201211010 has 64 divisors (see below), whose sum is σ = 486307584. Its totient is φ = 57888000.

The previous prime is 201211009. The next prime is 201211013. The reversal of 201211010 is 10112102.

It is not an unprimeable number, because it can be changed into a prime (201211013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41 + ... + 20060.

It is an arithmetic number, because the mean of its divisors is an integer number (7598556).

Almost surely, 2^201211010 is an apocalyptic number.

201211010 is an abundant number, since it is smaller than the sum of its proper divisors (285096574).

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

201211010 is a wasteful number, since it uses less digits than its factorization.

201211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20139.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 201211010 is about 14184.8866756136. The cubic root of 201211010 is about 585.9815115290.

Adding to 201211010 its reverse (10112102), we get a palindrome (211323112).

The spelling of 201211010 in words is "two hundred one million, two hundred eleven thousand, ten".