211222121303130 has 512 divisors, whose sum is σ = 636840730165248. Its totient is φ = 43722754560000.

The previous prime is 211222121303119. The next prime is 211222121303159. The reversal of 211222121303130 is 31303121222112.

It is a super-2 number, since 2×211222121303130² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222121303130.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 16861342927 + ... + 16861355453.

It is an arithmetic number, because the mean of its divisors is an integer number (1243829551104).

Almost surely, 2^{211222121303130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211222121303130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318420365082624).

211222121303130 is an abundant number, since it is smaller than the sum of its proper divisors (425618608862118).

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

211222121303130 is a wasteful number, since it uses less digits than its factorization.

211222121303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 211222121303130 its reverse (31303121222112), we get a palindrome (242525242525242).

The spelling of 211222121303130 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred three thousand, one hundred thirty".