21422424224102 has 48 divisors (see below), whose sum is σ = 36664828057872. Its totient is φ = 9309125770560.

The previous prime is 21422424224057. The next prime is 21422424224141. The reversal of 21422424224102 is 20142242422412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21354188 + ... + 22334864.

It is an arithmetic number, because the mean of its divisors is an integer number (763850584539).

Almost surely, 2^{21422424224102} is an apocalyptic number.

21422424224102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21422424224102 is a deficient number, since it is larger than the sum of its proper divisors (15242403833770).

21422424224102 is a wasteful number, since it uses less digits than its factorization.

21422424224102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982613 (or 982590 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 21422424224102 its reverse (20142242422412), we get a palindrome (41564666646514).

It can be divided in two parts, 2142242422410 and 2, that added together give a palindrome (2142242422412).

The spelling of 21422424224102 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred twenty-four million, two hundred twenty-four thousand, one hundred two".