211332121230 has 16 divisors (see below), whose sum is σ = 507197091024. Its totient is φ = 56355232320.

The previous prime is 211332121211. The next prime is 211332121241. The reversal of 211332121230 is 32121233112.

It is a super-2 number, since 2×211332121230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211332121197 and 211332121206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522201991 + ... + 3522202050.

It is an arithmetic number, because the mean of its divisors is an integer number (31699818189).

Almost surely, 2^211332121230 is an apocalyptic number.

211332121230 is an abundant number, since it is smaller than the sum of its proper divisors (295864969794).

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

211332121230 is a wasteful number, since it uses less digits than its factorization.

211332121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044404051.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211332121230 its reverse (32121233112), we get a palindrome (243453354342).

The spelling of 211332121230 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty".