211013331330 has 64 divisors (see below), whose sum is σ = 533780098560. Its totient is φ = 53304765696.

The previous prime is 211013331329. The next prime is 211013331337. The reversal of 211013331330 is 33133310112.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211013331297 and 211013331306.

It is not an unprimeable number, because it can be changed into a prime (211013331337) 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, 2242042 + ... + 2334261.

It is an arithmetic number, because the mean of its divisors is an integer number (8340314040).

Almost surely, 2^211013331330 is an apocalyptic number.

211013331330 is an abundant number, since it is smaller than the sum of its proper divisors (322766767230).

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

211013331330 is a wasteful number, since it uses less digits than its factorization.

211013331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576395.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 211013331330 its reverse (33133310112), we get a palindrome (244146641442).

The spelling of 211013331330 in words is "two hundred eleven billion, thirteen million, three hundred thirty-one thousand, three hundred thirty".