211213323321330 has 32 divisors (see below), whose sum is σ = 552994882878528. Its totient is φ = 51203229896000.

The previous prime is 211213323321311. The next prime is 211213323321349. The reversal of 211213323321330 is 33123323312112.

It is an interprime number because it is at equal distance from previous prime (211213323321311) and next prime (211213323321349).

It is a super-2 number, since 2×211213323321330² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320020186521 + ... + 320020187180.

It is an arithmetic number, because the mean of its divisors is an integer number (17281090089954).

Almost surely, 2^{211213323321330} is an apocalyptic number.

211213323321330 is an abundant number, since it is smaller than the sum of its proper divisors (341781559557198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211213323321330 is a wasteful number, since it uses less digits than its factorization.

211213323321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640040373722.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 211213323321330 its reverse (33123323312112), we get a palindrome (244336646633442).

The spelling of 211213323321330 in words is "two hundred eleven trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred thirty".