211212010111201 has 8 divisors (see below), whose sum is σ = 230413241085408. Its totient is φ = 192010802328000.

The previous prime is 211212010111189. The next prime is 211212010111231. The reversal of 211212010111201 is 102111010212112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211212010111201 is a prime.

It is a super-2 number, since 2×211212010111201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211212010111231) 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, 17217561 + ... + 26811721.

It is an arithmetic number, because the mean of its divisors is an integer number (28801655135676).

Almost surely, 2^{211212010111201} is an apocalyptic number.

It is an amenable number.

211212010111201 is a deficient number, since it is larger than the sum of its proper divisors (19201230974207).

211212010111201 is a wasteful number, since it uses less digits than its factorization.

211212010111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11595503.

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

Adding to 211212010111201 its reverse (102111010212112), we get a palindrome (313323020323313).

The spelling of 211212010111201 in words is "two hundred eleven trillion, two hundred twelve billion, ten million, one hundred eleven thousand, two hundred one".