2113003221 has 8 divisors (see below), whose sum is σ = 3219814464. Its totient is φ = 1207430400.

The previous prime is 2113003199. The next prime is 2113003223. The reversal of 2113003221 is 1223003112.

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

It is not a de Polignac number, because 2113003221 - 2¹⁰ = 2113002197 is a prime.

It is a super-2 number, since 2×2113003221² = 8929565223912749682, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113003223) 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, 50309580 + ... + 50309621.

It is an arithmetic number, because the mean of its divisors is an integer number (402476808).

Almost surely, 2^2113003221 is an apocalyptic number.

2113003221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2113003221 is a deficient number, since it is larger than the sum of its proper divisors (1106811243).

2113003221 is a wasteful number, since it uses less digits than its factorization.

2113003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100619211.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2113003221 is about 45967.4147739461. The cubic root of 2113003221 is about 1283.2168479343.

Adding to 2113003221 its reverse (1223003112), we get a palindrome (3336006333).

The spelling of 2113003221 in words is "two billion, one hundred thirteen million, three thousand, two hundred twenty-one".