21021010110202 has 8 divisors (see below), whose sum is σ = 31574887265376. Its totient is φ = 10496047688412.

The previous prime is 21021010110119. The next prime is 21021010110229. The reversal of 21021010110202 is 20201101012012.

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

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, 7228681528 + ... + 7228684435.

It is an arithmetic number, because the mean of its divisors is an integer number (3946860908172).

Almost surely, 2^{21021010110202} is an apocalyptic number.

21021010110202 is a deficient number, since it is larger than the sum of its proper divisors (10553877155174).

21021010110202 is a wasteful number, since it uses less digits than its factorization.

21021010110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457366692.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21021010110202 its reverse (20201101012012), we get a palindrome (41222111122214).

The spelling of 21021010110202 in words is "twenty-one trillion, twenty-one billion, ten million, one hundred ten thousand, two hundred two".