211133232030 has 96 divisors (see below), whose sum is σ = 620473253760. Its totient is φ = 45719069760.

The previous prime is 211133232019. The next prime is 211133232031. The reversal of 211133232030 is 30232331112.

211133232030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 211133231988 and 211133232006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133232031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3751756 + ... + 3807615.

It is an arithmetic number, because the mean of its divisors is an integer number (6463263060).

Almost surely, 2^211133232030 is an apocalyptic number.

211133232030 is an abundant number, since it is smaller than the sum of its proper divisors (409340021730).

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

211133232030 is a wasteful number, since it uses less digits than its factorization.

211133232030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559414 (or 7559407 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211133232030 its reverse (30232331112), we get a palindrome (241365563142).

The spelling of 211133232030 in words is "two hundred eleven billion, one hundred thirty-three million, two hundred thirty-two thousand, thirty".