211230133320 has 128 divisors (see below), whose sum is σ = 700138909440. Its totient is φ = 50709626880.

The previous prime is 211230133273. The next prime is 211230133321. The reversal of 211230133320 is 23331032112.

It is not an unprimeable number, because it can be changed into a prime (211230133321) 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, 2204041 + ... + 2297880.

It is an arithmetic number, because the mean of its divisors is an integer number (5469835230).

Almost surely, 2^211230133320 is an apocalyptic number.

211230133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211230133320 is an abundant number, since it is smaller than the sum of its proper divisors (488908776120).

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

211230133320 is a wasteful number, since it uses less digits than its factorization.

211230133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501975 (or 4501971 counting only the distinct ones).

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

Adding to 211230133320 its reverse (23331032112), we get a palindrome (234561165432).

The spelling of 211230133320 in words is "two hundred eleven billion, two hundred thirty million, one hundred thirty-three thousand, three hundred twenty".