201021202011211 has 4 divisors (see below), whose sum is σ = 209761254272592. Its totient is φ = 192281149749832.

The previous prime is 201021202011151. The next prime is 201021202011251. The reversal of 201021202011211 is 112110202120102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201021202011211 - 2³¹ = 201019054527563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201021202011251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4370026130656 + ... + 4370026130701.

It is an arithmetic number, because the mean of its divisors is an integer number (52440313568148).

Almost surely, 2^{201021202011211} is an apocalyptic number.

201021202011211 is a deficient number, since it is larger than the sum of its proper divisors (8740052261381).

201021202011211 is an equidigital number, since it uses as much as digits as its factorization.

201021202011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740052261380.

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

Adding to 201021202011211 its reverse (112110202120102), we get a palindrome (313131404131313).

The spelling of 201021202011211 in words is "two hundred one trillion, twenty-one billion, two hundred two million, eleven thousand, two hundred eleven".