2123113321 has 8 divisors (see below), whose sum is σ = 2428058880. Its totient is φ = 1818578688.

The previous prime is 2123113319. The next prime is 2123113351. The reversal of 2123113321 is 1233113212.

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 2123113321 - 2¹ = 2123113319 is a prime.

It is a super-2 number, since 2×2123113321² = 9015220347615298082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123113301) 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, 91576 + ... + 112393.

It is an arithmetic number, because the mean of its divisors is an integer number (303507360).

Almost surely, 2^2123113321 is an apocalyptic number.

It is an amenable number.

2123113321 is a deficient number, since it is larger than the sum of its proper divisors (304945559).

2123113321 is a wasteful number, since it uses less digits than its factorization.

2123113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205463.

The product of its digits is 216, while the sum is 19.

The square root of 2123113321 is about 46077.2538352710. The cubic root of 2123113321 is about 1285.2601977295.

Adding to 2123113321 its reverse (1233113212), we get a palindrome (3356226533).

The spelling of 2123113321 in words is "two billion, one hundred twenty-three million, one hundred thirteen thousand, three hundred twenty-one".