211201210133 has 8 divisors (see below), whose sum is σ = 211382010840. Its totient is φ = 211020491520.

The previous prime is 211201210127. The next prime is 211201210139. The reversal of 211201210133 is 331012102112.

It is an interprime number because it is at equal distance from previous prime (211201210127) and next prime (211201210139).

It can be written as a sum of positive squares in 4 ways, for example, as 8608499524 + 202592710609 = 92782^2 + 450103^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 211201210133 - 2⁶ = 211201210069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201210139) 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, 5813441 + ... + 5849657.

It is an arithmetic number, because the mean of its divisors is an integer number (26422751355).

Almost surely, 2^211201210133 is an apocalyptic number.

It is an amenable number.

211201210133 is a deficient number, since it is larger than the sum of its proper divisors (180800707).

211201210133 is a wasteful number, since it uses less digits than its factorization.

211201210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41047.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211201210133 its reverse (331012102112), we get a palindrome (542213312245).

The spelling of 211201210133 in words is "two hundred eleven billion, two hundred one million, two hundred ten thousand, one hundred thirty-three".