210201221311011 has 24 divisors (see below), whose sum is σ = 347041330298624. Its totient is φ = 120100275955440.

The previous prime is 210201221310851. The next prime is 210201221311063. The reversal of 210201221311011 is 110113122102012.

It is a happy number.

210201221311011 is a `hidden beast` number, since 210 + 20 + 122 + 1 + 311 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 210201221311011 - 2¹⁰ = 210201221309987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210201221311811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203754325 + ... + 204783366.

Almost surely, 2^{210201221311011} is an apocalyptic number.

210201221311011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210201221311011 is a deficient number, since it is larger than the sum of its proper divisors (136840108987613).

210201221311011 is a wasteful number, since it uses less digits than its factorization.

210201221311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408545871 (or 408545868 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 210201221311011 its reverse (110113122102012), we get a palindrome (320314343413023).

The spelling of 210201221311011 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty-one million, three hundred eleven thousand, eleven".