211222130322 has 32 divisors (see below), whose sum is σ = 489593355264. Its totient is φ = 59499190800.

The previous prime is 211222130297. The next prime is 211222130333. The reversal of 211222130322 is 223031222112.

It is a super-2 number, since 2×211222130322² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 35413204 + ... + 35419167.

It is an arithmetic number, because the mean of its divisors is an integer number (15299792352).

Almost surely, 2^211222130322 is an apocalyptic number.

211222130322 is an abundant number, since it is smaller than the sum of its proper divisors (278371224942).

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

211222130322 is a wasteful number, since it uses less digits than its factorization.

211222130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70832454.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211222130322 its reverse (223031222112), we get a palindrome (434253352434).

The spelling of 211222130322 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred thirty thousand, three hundred twenty-two".