2110011221 has 8 divisors (see below), whose sum is σ = 2132992344. Its totient is φ = 2087055360.

The previous prime is 2110011179. The next prime is 2110011223. The reversal of 2110011221 is 1221100112.

It can be written as a sum of positive squares in 4 ways, for example, as 732784900 + 1377226321 = 27070^2 + 37111^2 .

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 2110011221 - 2¹⁰ = 2110010197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110011223) 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, 196631 + ... + 207083.

It is an arithmetic number, because the mean of its divisors is an integer number (266624043).

Almost surely, 2^2110011221 is an apocalyptic number.

It is an amenable number.

2110011221 is a deficient number, since it is larger than the sum of its proper divisors (22981123).

2110011221 is a wasteful number, since it uses less digits than its factorization.

2110011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631.

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

The square root of 2110011221 is about 45934.8584519426. The cubic root of 2110011221 is about 1282.6108860220.

Adding to 2110011221 its reverse (1221100112), we get a palindrome (3331111333).

The spelling of 2110011221 in words is "two billion, one hundred ten million, eleven thousand, two hundred twenty-one".