21103232022322 has 4 divisors (see below), whose sum is σ = 31654848033486. Its totient is φ = 10551616011160.

The previous prime is 21103232022307. The next prime is 21103232022329. The reversal of 21103232022322 is 22322023230112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15251375900601 + 5851856121721 = 3905301^2 + 2419061^2 .

It is not an unprimeable number, because it can be changed into a prime (21103232022329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275808005579 + ... + 5275808005582.

Almost surely, 2^{21103232022322} is an apocalyptic number.

21103232022322 is a deficient number, since it is larger than the sum of its proper divisors (10551616011164).

21103232022322 is a wasteful number, since it uses less digits than its factorization.

21103232022322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10551616011163.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21103232022322 its reverse (22322023230112), we get a palindrome (43425255252434).

The spelling of 21103232022322 in words is "twenty-one trillion, one hundred three billion, two hundred thirty-two million, twenty-two thousand, three hundred twenty-two".