2120212132321 has 8 divisors (see below), whose sum is σ = 2121545507904. Its totient is φ = 2118879168720.

The previous prime is 2120212132231. The next prime is 2120212132331. The reversal of 2120212132321 is 1232312120212.

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 2120212132321 - 2⁷ = 2120212132193 is a prime.

It is a super-2 number, since 2×2120212132321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120212132292 and 2120212132301.

It is not an unprimeable number, because it can be changed into a prime (2120212132331) 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, 10535575 + ... + 10734931.

It is an arithmetic number, because the mean of its divisors is an integer number (265193188488).

Almost surely, 2^{2120212132321} is an apocalyptic number.

It is an amenable number.

2120212132321 is a deficient number, since it is larger than the sum of its proper divisors (1333375583).

2120212132321 is a wasteful number, since it uses less digits than its factorization.

2120212132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205991.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2120212132321 its reverse (1232312120212), we get a palindrome (3352524252533).

The spelling of 2120212132321 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred thirty-two thousand, three hundred twenty-one".