211213311101 has 8 divisors (see below), whose sum is σ = 227477222784. Its totient is φ = 194951790000.

The previous prime is 211213311047. The next prime is 211213311107. The reversal of 211213311101 is 101113312112.

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 211213311101 - 2²⁶ = 211146202237 is a prime.

It is a super-2 number, since 2×211213311101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211213311101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213311107) 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, 412001 + ... + 769526.

It is an arithmetic number, because the mean of its divisors is an integer number (28434652848).

Almost surely, 2^211213311101 is an apocalyptic number.

It is an amenable number.

211213311101 is a deficient number, since it is larger than the sum of its proper divisors (16263911683).

211213311101 is a wasteful number, since it uses less digits than its factorization.

211213311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195291.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 211213311101 its reverse (101113312112), we get a palindrome (312326623213).

The spelling of 211213311101 in words is "two hundred eleven billion, two hundred thirteen million, three hundred eleven thousand, one hundred one".