211332123230 has 32 divisors (see below), whose sum is σ = 389748034368. Its totient is φ = 82455788800.

The previous prime is 211332123229. The next prime is 211332123241. The reversal of 211332123230 is 32321233112.

It is a super-2 number, since 2×211332123230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211332123196 and 211332123205.

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, 2308919 + ... + 2398701.

It is an arithmetic number, because the mean of its divisors is an integer number (12179626074).

Almost surely, 2^211332123230 is an apocalyptic number.

211332123230 is a deficient number, since it is larger than the sum of its proper divisors (178415911138).

211332123230 is a wasteful number, since it uses less digits than its factorization.

211332123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95572.

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

Adding to 211332123230 its reverse (32321233112), we get a palindrome (243653356342).

The spelling of 211332123230 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred thirty".