21602013512102 has 8 divisors (see below), whose sum is σ = 32723842251312. Its totient is φ = 10694066095000.

The previous prime is 21602013512089. The next prime is 21602013512113. The reversal of 21602013512102 is 20121531020612.

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, 53470330274 + ... + 53470330677.

It is an arithmetic number, because the mean of its divisors is an integer number (4090480281414).

Almost surely, 2^{21602013512102} is an apocalyptic number.

21602013512102 is a deficient number, since it is larger than the sum of its proper divisors (11121828739210).

21602013512102 is a wasteful number, since it uses less digits than its factorization.

21602013512102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106940661054.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 21602013512102 its reverse (20121531020612), we get a palindrome (41723544532714).

The spelling of 21602013512102 in words is "twenty-one trillion, six hundred two billion, thirteen million, five hundred twelve thousand, one hundred two".