21322022102 has 4 divisors (see below), whose sum is σ = 31983033156. Its totient is φ = 10661011050.

The previous prime is 21322022101. The next prime is 21322022123. The reversal of 21322022102 is 20122022312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330505524 + ... + 5330505527.

It is an arithmetic number, because the mean of its divisors is an integer number (7995758289).

Almost surely, 2^21322022102 is an apocalyptic number.

21322022102 is a deficient number, since it is larger than the sum of its proper divisors (10661011054).

21322022102 is a wasteful number, since it uses less digits than its factorization.

21322022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661011053.

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

Adding to 21322022102 its reverse (20122022312), we get a palindrome (41444044414).

The spelling of 21322022102 in words is "twenty-one billion, three hundred twenty-two million, twenty-two thousand, one hundred two".