211642130322 has 96 divisors (see below), whose sum is σ = 532397953152. Its totient is φ = 59509562112.

The previous prime is 211642130299. The next prime is 211642130353. The reversal of 211642130322 is 223031246112.

211642130322 is a `hidden beast` number, since 2 + 1 + 1 + 642 + 13 + 0 + 3 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9215638 + ... + 9238574.

It is an arithmetic number, because the mean of its divisors is an integer number (5545812012).

Almost surely, 2^211642130322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211642130322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266198976576).

211642130322 is an abundant number, since it is smaller than the sum of its proper divisors (320755822830).

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

211642130322 is a wasteful number, since it uses less digits than its factorization.

211642130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24112 (or 24109 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 211642130322 its reverse (223031246112), we get a palindrome (434673376434).

The spelling of 211642130322 in words is "two hundred eleven billion, six hundred forty-two million, one hundred thirty thousand, three hundred twenty-two".