211213131322 has 8 divisors (see below), whose sum is σ = 319956525972. Its totient is φ = 104560956000.

The previous prime is 211213131319. The next prime is 211213131323. The reversal of 211213131322 is 223131312112.

It can be written as a sum of positive squares in 2 ways, for example, as 205189974441 + 6023156881 = 452979^2 + 77609^2 .

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

It is a super-2 number, since 2×211213131322² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211213131293 and 211213131302.

It is not an unprimeable number, because it can be changed into a prime (211213131323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522804579 + ... + 522804982.

Almost surely, 2^211213131322 is an apocalyptic number.

211213131322 is a deficient number, since it is larger than the sum of its proper divisors (108743394650).

211213131322 is a wasteful number, since it uses less digits than its factorization.

211213131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045609664.

The product of its digits is 432, while the sum is 22.

Adding to 211213131322 its reverse (223131312112), we get a palindrome (434344443434).

The spelling of 211213131322 in words is "two hundred eleven billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-two".