21201022000110 has 64 divisors (see below), whose sum is σ = 51537573734400. Its totient is φ = 5580845317632.

The previous prime is 21201022000099. The next prime is 21201022000199. The reversal of 21201022000110 is 1100022010212.

It is a Curzon number.

It is a congruent number.

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, 10133302 + ... + 12045158.

It is an arithmetic number, because the mean of its divisors is an integer number (805274589600).

Almost surely, 2^{21201022000110} is an apocalyptic number.

21201022000110 is an abundant number, since it is smaller than the sum of its proper divisors (30336551734290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21201022000110 is a wasteful number, since it uses less digits than its factorization.

21201022000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916625.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21201022000110 its reverse (1100022010212), we get a palindrome (22301044010322).

The spelling of 21201022000110 in words is "twenty-one trillion, two hundred one billion, twenty-two million, one hundred ten", and thus it is an aban number.