210021321222132 has 48 divisors (see below), whose sum is σ = 561332612628480. Its totient is φ = 59869403631072.

The previous prime is 210021321222107. The next prime is 210021321222133. The reversal of 210021321222132 is 231222123120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021321222133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847632628 + ... + 2847706379.

It is an arithmetic number, because the mean of its divisors is an integer number (11694429429760).

Almost surely, 2^{210021321222132} is an apocalyptic number.

It is an amenable number.

210021321222132 is an abundant number, since it is smaller than the sum of its proper divisors (351311291406348).

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

210021321222132 is a wasteful number, since it uses less digits than its factorization.

210021321222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695339460 (or 5695339458 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 210021321222132 its reverse (231222123120012), we get a palindrome (441243444342144).

The spelling of 210021321222132 in words is "two hundred ten trillion, twenty-one billion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-two".