2110112003221 has 4 divisors (see below), whose sum is σ = 2113247385772. Its totient is φ = 2106976620672.

The previous prime is 2110112003213. The next prime is 2110112003249. The reversal of 2110112003221 is 1223002110112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1376715022225 + 733396980996 = 1173335^2 + 856386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110112003221 - 2³ = 2110112003213 is a prime.

It is a super-2 number, since 2×2110112003221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110112003195 and 2110112003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110112000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567690266 + ... + 1567691611.

It is an arithmetic number, because the mean of its divisors is an integer number (528311846443).

Almost surely, 2^{2110112003221} is an apocalyptic number.

It is an amenable number.

2110112003221 is a deficient number, since it is larger than the sum of its proper divisors (3135382551).

2110112003221 is an equidigital number, since it uses as much as digits as its factorization.

2110112003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135382550.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2110112003221 its reverse (1223002110112), we get a palindrome (3333114113333).

The spelling of 2110112003221 in words is "two trillion, one hundred ten billion, one hundred twelve million, three thousand, two hundred twenty-one".