201011020021210 has 64 divisors (see below), whose sum is σ = 427882085176320. Its totient is φ = 66523722612480.

The previous prime is 201011020021157. The next prime is 201011020021213. The reversal of 201011020021210 is 12120020110102.

It is not an unprimeable number, because it can be changed into a prime (201011020021213) 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, 5718361 + ... + 20849980.

It is an arithmetic number, because the mean of its divisors is an integer number (6685657580880).

Almost surely, 2^{201011020021210} is an apocalyptic number.

201011020021210 is an abundant number, since it is smaller than the sum of its proper divisors (226871065155110).

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

201011020021210 is a wasteful number, since it uses less digits than its factorization.

201011020021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26572111.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201011020021210 its reverse (12120020110102), we get a palindrome (213131040131312).

The spelling of 201011020021210 in words is "two hundred one trillion, eleven billion, twenty million, twenty-one thousand, two hundred ten".