2113203023221 has 8 divisors (see below), whose sum is σ = 2125722100320. Its totient is φ = 2100687441072.

The previous prime is 2113203023209. The next prime is 2113203023233. The reversal of 2113203023221 is 1223203023112.

It is an interprime number because it is at equal distance from previous prime (2113203023209) and next prime (2113203023233).

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 2113203023221 - 2⁵ = 2113203023189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113203023192 and 2113203023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113203083221) 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, 344146 + ... + 2084428.

It is an arithmetic number, because the mean of its divisors is an integer number (265715262540).

Almost surely, 2^{2113203023221} is an apocalyptic number.

It is an amenable number.

2113203023221 is a deficient number, since it is larger than the sum of its proper divisors (12519077099).

2113203023221 is a wasteful number, since it uses less digits than its factorization.

2113203023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747475.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2113203023221 its reverse (1223203023112), we get a palindrome (3336406046333).

The spelling of 2113203023221 in words is "two trillion, one hundred thirteen billion, two hundred three million, twenty-three thousand, two hundred twenty-one".