201001021210 has 32 divisors (see below), whose sum is σ = 407424950784. Its totient is φ = 70733496000.

The previous prime is 201001021201. The next prime is 201001021349. The reversal of 201001021210 is 12120100102.

201001021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29468881 + ... + 29475700.

It is an arithmetic number, because the mean of its divisors is an integer number (12732029712).

Almost surely, 2^201001021210 is an apocalyptic number.

201001021210 is an abundant number, since it is smaller than the sum of its proper divisors (206423929574).

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

201001021210 is a wasteful number, since it uses less digits than its factorization.

201001021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58944630.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201001021210 its reverse (12120100102), we get a palindrome (213121121312).

The spelling of 201001021210 in words is "two hundred one billion, one million, twenty-one thousand, two hundred ten".