201001002210 has 48 divisors (see below), whose sum is σ = 525310436664. Its totient is φ = 53322541056.

The previous prime is 201001002193. The next prime is 201001002263. The reversal of 201001002210 is 12200100102.

It can be written as a sum of positive squares in 4 ways, for example, as 97919552241 + 103081449969 = 312921^2 + 321063^2 .

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 = 201001002192 and 201001002201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5768497 + ... + 5803236.

Almost surely, 2^201001002210 is an apocalyptic number.

201001002210 is an abundant number, since it is smaller than the sum of its proper divisors (324309434454).

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

201001002210 is a wasteful number, since it uses less digits than its factorization.

201001002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571939 (or 11571936 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201001002210 its reverse (12200100102), we get a palindrome (213201102312).

The spelling of 201001002210 in words is "two hundred one billion, one million, two thousand, two hundred ten".