21100020000110 has 16 divisors (see below), whose sum is σ = 38356075962432. Its totient is φ = 8356443564000.

The previous prime is 21100020000107. The next prime is 21100020000127. The reversal of 21100020000110 is 1100002000112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10445553446 + ... + 10445555465.

It is an arithmetic number, because the mean of its divisors is an integer number (2397254747652).

Almost surely, 2^{21100020000110} is an apocalyptic number.

21100020000110 is a deficient number, since it is larger than the sum of its proper divisors (17256055962322).

21100020000110 is a wasteful number, since it uses less digits than its factorization.

21100020000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20891109019.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 21100020000110 its reverse (1100002000112), we get a palindrome (22200022000222).

The spelling of 21100020000110 in words is "twenty-one trillion, one hundred billion, twenty million, one hundred ten", and thus it is an aban number.