2113212223 has 8 divisors (see below), whose sum is σ = 2193814800. Its totient is φ = 2033125248.

The previous prime is 2113212197. The next prime is 2113212271. The reversal of 2113212223 is 3222123112.

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 2113212223 - 2¹³ = 2113204031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113212223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113212293) 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, 120538 + ... + 136951.

It is an arithmetic number, because the mean of its divisors is an integer number (274226850).

Almost surely, 2^2113212223 is an apocalyptic number.

2113212223 is a deficient number, since it is larger than the sum of its proper divisors (80602577).

2113212223 is a wasteful number, since it uses less digits than its factorization.

2113212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257801.

The product of its digits is 288, while the sum is 19.

The square root of 2113212223 is about 45969.6880890006. The cubic root of 2113212223 is about 1283.2591551810.

Adding to 2113212223 its reverse (3222123112), we get a palindrome (5335335335).

The spelling of 2113212223 in words is "two billion, one hundred thirteen million, two hundred twelve thousand, two hundred twenty-three".