201211211301 has 8 divisors (see below), whose sum is σ = 270239875584. Its totient is φ = 133161677280.

The previous prime is 201211211239. The next prime is 201211211317. The reversal of 201211211301 is 103112112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201211211301 - 2¹¹ = 201211209253 is a prime.

It is a super-2 number, since 2×201211211301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211211381) 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, 244782085 + ... + 244782906.

It is an arithmetic number, because the mean of its divisors is an integer number (33779984448).

Almost surely, 2^201211211301 is an apocalyptic number.

It is an amenable number.

201211211301 is a deficient number, since it is larger than the sum of its proper divisors (69028664283).

201211211301 is a wasteful number, since it uses less digits than its factorization.

201211211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489565131.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201211211301 its reverse (103112112102), we get a palindrome (304323323403).

The spelling of 201211211301 in words is "two hundred one billion, two hundred eleven million, two hundred eleven thousand, three hundred one".