2110311221 has 8 divisors (see below), whose sum is σ = 2134992000. Its totient is φ = 2085771600.

The previous prime is 2110311199. The next prime is 2110311223. The reversal of 2110311221 is 1221130112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2110311221 - 2²² = 2106116917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110311196 and 2110311205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110311223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5066 + ... + 65163.

It is an arithmetic number, because the mean of its divisors is an integer number (266874000).

Almost surely, 2^2110311221 is an apocalyptic number.

It is an amenable number.

2110311221 is a deficient number, since it is larger than the sum of its proper divisors (24680779).

2110311221 is a wasteful number, since it uses less digits than its factorization.

2110311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70579.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2110311221 is about 45938.1238297778. The cubic root of 2110311221 is about 1282.6716700638.

Adding to 2110311221 its reverse (1221130112), we get a palindrome (3331441333).

The spelling of 2110311221 in words is "two billion, one hundred ten million, three hundred eleven thousand, two hundred twenty-one".