211213102221213 has 8 divisors (see below), whose sum is σ = 281834599525248. Its totient is φ = 140700169865664.

The previous prime is 211213102221211. The next prime is 211213102221241. The reversal of 211213102221213 is 312122201312112.

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

It is not a de Polignac number, because 211213102221213 - 2¹ = 211213102221211 is a prime.

It is a super-2 number, since 2×211213102221213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213102221211) 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, 27141232581 + ... + 27141240362.

It is an arithmetic number, because the mean of its divisors is an integer number (35229324940656).

Almost surely, 2^{211213102221213} is an apocalyptic number.

It is an amenable number.

211213102221213 is a deficient number, since it is larger than the sum of its proper divisors (70621497304035).

211213102221213 is a wasteful number, since it uses less digits than its factorization.

211213102221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54282474243.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 211213102221213 its reverse (312122201312112), we get a palindrome (523335303533325).

The spelling of 211213102221213 in words is "two hundred eleven trillion, two hundred thirteen billion, one hundred two million, two hundred twenty-one thousand, two hundred thirteen".