211211333130 has 96 divisors (see below), whose sum is σ = 604049866560. Its totient is φ = 47099377920.

The previous prime is 211211333111. The next prime is 211211333153. The reversal of 211211333130 is 31333112112.

It is a happy number.

It is a super-2 number, since 2×211211333130² (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 a junction number, because it is equal to n+sod(n) for n = 211211333097 and 211211333106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1691940 + ... + 1812479.

It is an arithmetic number, because the mean of its divisors is an integer number (6292186110).

Almost surely, 2^211211333130 is an apocalyptic number.

211211333130 is an abundant number, since it is smaller than the sum of its proper divisors (392838533430).

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

211211333130 is a wasteful number, since it uses less digits than its factorization.

211211333130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504484 (or 3504477 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 211211333130 its reverse (31333112112), we get a palindrome (242544445242).

The spelling of 211211333130 in words is "two hundred eleven billion, two hundred eleven million, three hundred thirty-three thousand, one hundred thirty".