211233100120 has 64 divisors (see below), whose sum is σ = 543241339200. Its totient is φ = 72413376000.

The previous prime is 211233100097. The next prime is 211233100171. The reversal of 211233100120 is 21001332112.

It is a junction number, because it is equal to n+sod(n) for n = 211233100094 and 211233100103.

It is a congruent 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, 2315370 + ... + 2404870.

It is an arithmetic number, because the mean of its divisors is an integer number (8488145925).

Almost surely, 2^211233100120 is an apocalyptic number.

211233100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211233100120 is an abundant number, since it is smaller than the sum of its proper divisors (332008239080).

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

211233100120 is a wasteful number, since it uses less digits than its factorization.

211233100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97948 (or 97944 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211233100120 its reverse (21001332112), we get a palindrome (232234432232).

The spelling of 211233100120 in words is "two hundred eleven billion, two hundred thirty-three million, one hundred thousand, one hundred twenty".