211333211012 has 48 divisors (see below), whose sum is σ = 461430345600. Its totient is φ = 82276953600.

The previous prime is 211333210993. The next prime is 211333211087. The reversal of 211333211012 is 210112333112.

It is a happy number.

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, 167114 + ... + 671262.

It is an arithmetic number, because the mean of its divisors is an integer number (9613132200).

Almost surely, 2^211333211012 is an apocalyptic number.

211333211012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211333211012 is an abundant number, since it is smaller than the sum of its proper divisors (250097134588).

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

211333211012 is a wasteful number, since it uses less digits than its factorization.

211333211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505532 (or 505530 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211333211012 its reverse (210112333112), we get a palindrome (421445544124).

The spelling of 211333211012 in words is "two hundred eleven billion, three hundred thirty-three million, two hundred eleven thousand, twelve".