211222321330 has 16 divisors (see below), whose sum is σ = 385012840320. Its totient is φ = 83419448112.

The previous prime is 211222321291. The next prime is 211222321333. The reversal of 211222321330 is 33123222112.

211222321330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211222321330² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222321333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133684224 + ... + 133685803.

It is an arithmetic number, because the mean of its divisors is an integer number (24063302520).

Almost surely, 2^211222321330 is an apocalyptic number.

211222321330 is a deficient number, since it is larger than the sum of its proper divisors (173790518990).

211222321330 is a wasteful number, since it uses less digits than its factorization.

211222321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267370113.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 211222321330 its reverse (33123222112), we get a palindrome (244345543442).

The spelling of 211222321330 in words is "two hundred eleven billion, two hundred twenty-two million, three hundred twenty-one thousand, three hundred thirty".