211211101221113 has 8 divisors (see below), whose sum is σ = 241384207103040. Its totient is φ = 181038018194640.

The previous prime is 211211101221089. The next prime is 211211101221149. The reversal of 211211101221113 is 311122101112112.

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 211211101221113 - 2¹⁶ = 211211101155577 is a prime.

It is a super-2 number, since 2×211211101221113² (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 (211211101221163) 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, 25340558 + ... + 32627688.

It is an arithmetic number, because the mean of its divisors is an integer number (30173025887880).

Almost surely, 2^{211211101221113} is an apocalyptic number.

It is an amenable number.

211211101221113 is a deficient number, since it is larger than the sum of its proper divisors (30173105881927).

211211101221113 is an equidigital number, since it uses as much as digits as its factorization.

211211101221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427727.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 211211101221113 its reverse (311122101112112), we get a palindrome (522333202333225).

The spelling of 211211101221113 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred one million, two hundred twenty-one thousand, one hundred thirteen".