201020101221010 has 64 divisors (see below), whose sum is σ = 384703237416960. Its totient is φ = 75366185978880.

The previous prime is 201020101220989. The next prime is 201020101221011. The reversal of 201020101221010 is 10122101020102.

It is not an unprimeable number, because it can be changed into a prime (201020101221011) 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, 37885407 + ... + 42864253.

It is an arithmetic number, because the mean of its divisors is an integer number (6010988084640).

Almost surely, 2^{201020101221010} is an apocalyptic number.

201020101221010 is a deficient number, since it is larger than the sum of its proper divisors (183683136195950).

201020101221010 is a wasteful number, since it uses less digits than its factorization.

201020101221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979851.

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

Adding to 201020101221010 its reverse (10122101020102), we get a palindrome (211142202241112).

The spelling of 201020101221010 in words is "two hundred one trillion, twenty billion, one hundred one million, two hundred twenty-one thousand, ten".