2130321211321 has 16 divisors (see below), whose sum is σ = 2172896893440. Its totient is φ = 2088178027200.

The previous prime is 2130321211289. The next prime is 2130321211433. The reversal of 2130321211321 is 1231121230312.

It is a cyclic number.

It is not a de Polignac number, because 2130321211321 - 2⁵ = 2130321211289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130321211292 and 2130321211301.

It is not an unprimeable number, because it can be changed into a prime (2130321221321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40743231 + ... + 40795483.

It is an arithmetic number, because the mean of its divisors is an integer number (135806055840).

Almost surely, 2^{2130321211321} is an apocalyptic number.

It is an amenable number.

2130321211321 is a deficient number, since it is larger than the sum of its proper divisors (42575682119).

2130321211321 is a wasteful number, since it uses less digits than its factorization.

2130321211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56376.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2130321211321 its reverse (1231121230312), we get a palindrome (3361442441633).

The spelling of 2130321211321 in words is "two trillion, one hundred thirty billion, three hundred twenty-one million, two hundred eleven thousand, three hundred twenty-one".