21013301023102 has 8 divisors (see below), whose sum is σ = 31536834213816. Its totient is φ = 10501022951832.

The previous prime is 21013301023031. The next prime is 21013301023153. The reversal of 21013301023102 is 20132010331012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21013301023102.

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, 2813775193 + ... + 2813782660.

It is an arithmetic number, because the mean of its divisors is an integer number (3942104276727).

Almost surely, 2^{21013301023102} is an apocalyptic number.

21013301023102 is a deficient number, since it is larger than the sum of its proper divisors (10523533190714).

21013301023102 is a wasteful number, since it uses less digits than its factorization.

21013301023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627559722.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21013301023102 its reverse (20132010331012), we get a palindrome (41145311354114).

The spelling of 21013301023102 in words is "twenty-one trillion, thirteen billion, three hundred one million, twenty-three thousand, one hundred two".