21413231243102 has 8 divisors (see below), whose sum is σ = 32119884242976. Its totient is φ = 10706603162112.

The previous prime is 21413231243077. The next prime is 21413231243113. The reversal of 21413231243102 is 20134213231412.

It is a happy number.

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

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, 3908438 + ... + 7622489.

It is an arithmetic number, because the mean of its divisors is an integer number (4014985530372).

Almost surely, 2^{21413231243102} is an apocalyptic number.

21413231243102 is a deficient number, since it is larger than the sum of its proper divisors (10706652999874).

21413231243102 is a wasteful number, since it uses less digits than its factorization.

21413231243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459442.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21413231243102 its reverse (20134213231412), we get a palindrome (41547444474514).

The spelling of 21413231243102 in words is "twenty-one trillion, four hundred thirteen billion, two hundred thirty-one million, two hundred forty-three thousand, one hundred two".