211133320430 has 16 divisors (see below), whose sum is σ = 383032419840. Its totient is φ = 83788340832.

The previous prime is 211133320369. The next prime is 211133320439. The reversal of 211133320430 is 34023331112.

It is a junction number, because it is equal to n+sod(n) for n = 211133320396 and 211133320405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133320439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83122085 + ... + 83124624.

It is an arithmetic number, because the mean of its divisors is an integer number (23939526240).

Almost surely, 2^211133320430 is an apocalyptic number.

211133320430 is a deficient number, since it is larger than the sum of its proper divisors (171899099410).

211133320430 is a wasteful number, since it uses less digits than its factorization.

211133320430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166246843.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211133320430 its reverse (34023331112), we get a palindrome (245156651542).

The spelling of 211133320430 in words is "two hundred eleven billion, one hundred thirty-three million, three hundred twenty thousand, four hundred thirty".