2112131322321 has 8 divisors (see below), whose sum is σ = 2892287937024. Its totient is φ = 1370031127920.

The previous prime is 2112131322313. The next prime is 2112131322361. The reversal of 2112131322321 is 1232231312112.

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

It is not a de Polignac number, because 2112131322321 - 2³ = 2112131322313 is a prime.

It is a super-2 number, since 2×2112131322321² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112131322291 and 2112131322300.

It is not an unprimeable number, because it can be changed into a prime (2112131322361) 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, 9514104945 + ... + 9514105166.

It is an arithmetic number, because the mean of its divisors is an integer number (361535992128).

Almost surely, 2^{2112131322321} is an apocalyptic number.

It is an amenable number.

2112131322321 is a deficient number, since it is larger than the sum of its proper divisors (780156614703).

2112131322321 is a wasteful number, since it uses less digits than its factorization.

2112131322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028210151.

The product of its digits is 864, while the sum is 24.

Adding to 2112131322321 its reverse (1232231312112), we get a palindrome (3344362634433).

The spelling of 2112131322321 in words is "two trillion, one hundred twelve billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-one".