201010011210 has 128 divisors (see below), whose sum is σ = 553585950720. Its totient is φ = 51848424000.

The previous prime is 201010011199. The next prime is 201010011211. The reversal of 201010011210 is 12110010102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201010011192 and 201010011201.

It is not an unprimeable number, because it can be changed into a prime (201010011211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22452235 + ... + 22461185.

It is an arithmetic number, because the mean of its divisors is an integer number (4324890240).

Almost surely, 2^201010011210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201010011210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276792975360).

201010011210 is an abundant number, since it is smaller than the sum of its proper divisors (352575939510).

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

201010011210 is a wasteful number, since it uses less digits than its factorization.

201010011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681 (or 11675 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201010011210 its reverse (12110010102), we get a palindrome (213120021312).

The spelling of 201010011210 in words is "two hundred one billion, ten million, eleven thousand, two hundred ten".