2101221000110 has 16 divisors (see below), whose sum is σ = 3783532901616. Its totient is φ = 840191710848.

The previous prime is 2101221000071. The next prime is 2101221000139. The reversal of 2101221000110 is 110001221012.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2101221000091 and 2101221000100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37056404 + ... + 37113063.

It is an arithmetic number, because the mean of its divisors is an integer number (236470806351).

Almost surely, 2^{2101221000110} is an apocalyptic number.

2101221000110 is a deficient number, since it is larger than the sum of its proper divisors (1682311901506).

2101221000110 is a wasteful number, since it uses less digits than its factorization.

2101221000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74172307.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101221000110 its reverse (110001221012), we get a palindrome (2211222221122).

The spelling of 2101221000110 in words is "two trillion, one hundred one billion, two hundred twenty-one million, one hundred ten", and thus it is an aban number.