21302122223102 has 8 divisors (see below), whose sum is σ = 36517923811056. Its totient is φ = 9129480952752.

The previous prime is 21302122223099. The next prime is 21302122223143. The reversal of 21302122223102 is 20132222120312.

It is a happy number.

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

It is a super-2 number, since 2×21302122223102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760790079383 + ... + 760790079410.

It is an arithmetic number, because the mean of its divisors is an integer number (4564740476382).

Almost surely, 2^{21302122223102} is an apocalyptic number.

21302122223102 is a deficient number, since it is larger than the sum of its proper divisors (15215801587954).

21302122223102 is a wasteful number, since it uses less digits than its factorization.

21302122223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521580158802.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21302122223102 its reverse (20132222120312), we get a palindrome (41434344343414).

The spelling of 21302122223102 in words is "twenty-one trillion, three hundred two billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred two".