211213011031330 has 64 divisors (see below), whose sum is σ = 474052055876352. Its totient is φ = 65824690314240.

The previous prime is 211213011031307. The next prime is 211213011031339. The reversal of 211213011031330 is 33130110312112.

It is a super-2 number, since 2×211213011031330² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (211213011031339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10141539 + ... + 22918918.

It is an arithmetic number, because the mean of its divisors is an integer number (7407063373068).

Almost surely, 2^{211213011031330} is an apocalyptic number.

211213011031330 is an abundant number, since it is smaller than the sum of its proper divisors (262839044845022).

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

211213011031330 is a wasteful number, since it uses less digits than its factorization.

211213011031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33068779.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 211213011031330 its reverse (33130110312112), we get a palindrome (244343121343442).

The spelling of 211213011031330 in words is "two hundred eleven trillion, two hundred thirteen billion, eleven million, thirty-one thousand, three hundred thirty".