2121220000110 has 64 divisors (see below), whose sum is σ = 5208687037440. Its totient is φ = 552663646080.

The previous prime is 2121220000091. The next prime is 2121220000169. The reversal of 2121220000110 is 110000221212.

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, 2410996 + ... + 3171015.

It is an arithmetic number, because the mean of its divisors is an integer number (81385734960).

Almost surely, 2^{2121220000110} is an apocalyptic number.

2121220000110 is an abundant number, since it is smaller than the sum of its proper divisors (3087467037330).

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

2121220000110 is a wasteful number, since it uses less digits than its factorization.

2121220000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582313.

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

Adding to 2121220000110 its reverse (110000221212), we get a palindrome (2231220221322).

The spelling of 2121220000110 in words is "two trillion, one hundred twenty-one billion, two hundred twenty million, one hundred ten", and thus it is an aban number.