21102113422010 has 64 divisors (see below), whose sum is σ = 40487629835520. Its totient is φ = 7891101772800.

The previous prime is 21102113422001. The next prime is 21102113422057. The reversal of 21102113422010 is 1022431120112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460933301 + ... + 460979079.

It is an arithmetic number, because the mean of its divisors is an integer number (632619216180).

Almost surely, 2^{21102113422010} is an apocalyptic number.

21102113422010 is a deficient number, since it is larger than the sum of its proper divisors (19385516413510).

21102113422010 is a wasteful number, since it uses less digits than its factorization.

21102113422010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63911.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21102113422010 its reverse (1022431120112), we get a palindrome (22124544542122).

The spelling of 21102113422010 in words is "twenty-one trillion, one hundred two billion, one hundred thirteen million, four hundred twenty-two thousand, ten".