201210221201011 has 8 divisors (see below), whose sum is σ = 221316126100848. Its totient is φ = 182918382908800.

The previous prime is 201210221200993. The next prime is 201210221201057. The reversal of 201210221201011 is 110102122012102.

It is not a de Polignac number, because 201210221201011 - 2¹¹ = 201210221198963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210221201111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75586107310 + ... + 75586109971.

It is an arithmetic number, because the mean of its divisors is an integer number (27664515762606).

Almost surely, 2^{201210221201011} is an apocalyptic number.

201210221201011 is a deficient number, since it is larger than the sum of its proper divisors (20105904899837).

201210221201011 is an equidigital number, since it uses as much as digits as its factorization.

201210221201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151172217314 (or 151172217292 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201210221201011 its reverse (110102122012102), we get a palindrome (311312343213113).

The spelling of 201210221201011 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty-one million, two hundred one thousand, eleven".