21102341024422 has 8 divisors (see below), whose sum is σ = 36175441756176. Its totient is φ = 9043860439032.

The previous prime is 21102341024393. The next prime is 21102341024441. The reversal of 21102341024422 is 22442014320112.

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

It is a super-2 number, since 2×21102341024422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753655036573 + ... + 753655036600.

It is an arithmetic number, because the mean of its divisors is an integer number (4521930219522).

Almost surely, 2^{21102341024422} is an apocalyptic number.

21102341024422 is a deficient number, since it is larger than the sum of its proper divisors (15073100731754).

21102341024422 is a wasteful number, since it uses less digits than its factorization.

21102341024422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507310073182.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21102341024422 its reverse (22442014320112), we get a palindrome (43544355344534).

The spelling of 21102341024422 in words is "twenty-one trillion, one hundred two billion, three hundred forty-one million, twenty-four thousand, four hundred twenty-two".