21101032322 has 16 divisors (see below), whose sum is σ = 32676946944. Its totient is φ = 10208808000.

The previous prime is 21101032289. The next prime is 21101032333. The reversal of 21101032322 is 22323010112.

It is a self number, because there is not a number n which added to its sum of digits gives 21101032322.

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, 564122 + ... + 600362.

It is an arithmetic number, because the mean of its divisors is an integer number (2042309184).

Almost surely, 2^21101032322 is an apocalyptic number.

21101032322 is a deficient number, since it is larger than the sum of its proper divisors (11575914622).

21101032322 is a wasteful number, since it uses less digits than its factorization.

21101032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45665.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21101032322 its reverse (22323010112), we get a palindrome (43424042434).

The spelling of 21101032322 in words is "twenty-one billion, one hundred one million, thirty-two thousand, three hundred twenty-two".