21202101002110 has 32 divisors (see below), whose sum is σ = 43615925519040. Its totient is φ = 7269262624512.

The previous prime is 21202101002107. The next prime is 21202101002123. The reversal of 21202101002110 is 1120010120212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24111256 + ... + 24975124.

It is an arithmetic number, because the mean of its divisors is an integer number (1362997672470).

Almost surely, 2^{21202101002110} is an apocalyptic number.

21202101002110 is an abundant number, since it is smaller than the sum of its proper divisors (22413824516930).

21202101002110 is a wasteful number, since it uses less digits than its factorization.

21202101002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214500.

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

Adding to 21202101002110 its reverse (1120010120212), we get a palindrome (22322111122322).

The spelling of 21202101002110 in words is "twenty-one trillion, two hundred two billion, one hundred one million, two thousand, one hundred ten".