213121012201 has 8 divisors (see below), whose sum is σ = 224364880800. Its totient is φ = 201879840960.

The previous prime is 213121012199. The next prime is 213121012297. The reversal of 213121012201 is 102210121312.

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 213121012201 - 2¹ = 213121012199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213121022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511135 + ... + 829156.

It is an arithmetic number, because the mean of its divisors is an integer number (28045610100).

Almost surely, 2^213121012201 is an apocalyptic number.

It is an amenable number.

213121012201 is a deficient number, since it is larger than the sum of its proper divisors (11243868599).

213121012201 is a wasteful number, since it uses less digits than its factorization.

213121012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348679.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213121012201 its reverse (102210121312), we get a palindrome (315331133513).

The spelling of 213121012201 in words is "two hundred thirteen billion, one hundred twenty-one million, twelve thousand, two hundred one".