21322220102 has 8 divisors (see below), whose sum is σ = 31983958512. Its totient is φ = 10660900600.

The previous prime is 21322220093. The next prime is 21322220107. The reversal of 21322220102 is 20102222312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322220107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113327 + ... + 235557.

It is an arithmetic number, because the mean of its divisors is an integer number (3997994814).

Almost surely, 2^21322220102 is an apocalyptic number.

21322220102 is a deficient number, since it is larger than the sum of its proper divisors (10661738410).

21322220102 is a wasteful number, since it uses less digits than its factorization.

21322220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209454.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21322220102 its reverse (20102222312), we get a palindrome (41424442414).

The spelling of 21322220102 in words is "twenty-one billion, three hundred twenty-two million, two hundred twenty thousand, one hundred two".