2130020100321 has 8 divisors (see below), whose sum is σ = 2840085729120. Its totient is φ = 1419983935872.

The previous prime is 2130020100269. The next prime is 2130020100331. The reversal of 2130020100321 is 1230010200312.

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

It is not a de Polignac number, because 2130020100321 - 2²² = 2130015906017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2130020100321.

It is not an unprimeable number, because it can be changed into a prime (2130020100331) 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, 7196851 + ... + 7486968.

It is an arithmetic number, because the mean of its divisors is an integer number (355010716140).

Almost surely, 2^{2130020100321} is an apocalyptic number.

It is an amenable number.

2130020100321 is a deficient number, since it is larger than the sum of its proper divisors (710065628799).

2130020100321 is a wasteful number, since it uses less digits than its factorization.

2130020100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732175.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2130020100321 its reverse (1230010200312), we get a palindrome (3360030300633).

Subtracting from 2130020100321 its reverse (1230010200312), we obtain a palindrome (900009900009).

The spelling of 2130020100321 in words is "two trillion, one hundred thirty billion, twenty million, one hundred thousand, three hundred twenty-one".