211332331201 has 4 divisors (see below), whose sum is σ = 211630402900. Its totient is φ = 211034259504.

The previous prime is 211332331169. The next prime is 211332331253. The reversal of 211332331201 is 102133233112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21040953025 + 190291378176 = 145055^2 + 436224^2 .

It is a cyclic number.

It is not a de Polignac number, because 211332331201 - 2⁵ = 211332331169 is a prime.

It is a super-2 number, since 2×211332331201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211332341201) 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, 149034786 + ... + 149036203.

It is an arithmetic number, because the mean of its divisors is an integer number (52907600725).

Almost surely, 2^211332331201 is an apocalyptic number.

It is an amenable number.

211332331201 is a deficient number, since it is larger than the sum of its proper divisors (298071699).

211332331201 is an equidigital number, since it uses as much as digits as its factorization.

211332331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298071698.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 211332331201 its reverse (102133233112), we get a palindrome (313465564313).

The spelling of 211332331201 in words is "two hundred eleven billion, three hundred thirty-two million, three hundred thirty-one thousand, two hundred one".