2101000230321 has 16 divisors (see below), whose sum is σ = 2835293583360. Its totient is φ = 1383689336400.

The previous prime is 2101000230317. The next prime is 2101000230341. The reversal of 2101000230321 is 1230320001012.

It is not a de Polignac number, because 2101000230321 - 2² = 2101000230317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101000230321.

It is not an unprimeable number, because it can be changed into a prime (2101000230341) 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, 3151896 + ... + 3759846.

It is an arithmetic number, because the mean of its divisors is an integer number (177205848960).

Almost surely, 2^{2101000230321} is an apocalyptic number.

It is an amenable number.

2101000230321 is a deficient number, since it is larger than the sum of its proper divisors (734293353039).

2101000230321 is a wasteful number, since it uses less digits than its factorization.

2101000230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621916.

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

Adding to 2101000230321 its reverse (1230320001012), we get a palindrome (3331320231333).

The spelling of 2101000230321 in words is "two trillion, one hundred one billion, two hundred thirty thousand, three hundred twenty-one".