2100101202321 has 16 divisors (see below), whose sum is σ = 2928820306560. Its totient is φ = 1336013965440.

The previous prime is 2100101202307. The next prime is 2100101202341. The reversal of 2100101202321 is 1232021010012.

It is not a de Polignac number, because 2100101202321 - 2⁶ = 2100101202257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100101202321.

It is not an unprimeable number, because it can be changed into a prime (2100101202341) 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, 36118516 + ... + 36176613.

It is an arithmetic number, because the mean of its divisors is an integer number (183051269160).

Almost surely, 2^{2100101202321} is an apocalyptic number.

It is an amenable number.

2100101202321 is a deficient number, since it is larger than the sum of its proper divisors (828719104239).

2100101202321 is a wasteful number, since it uses less digits than its factorization.

2100101202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72295576.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2100101202321 its reverse (1232021010012), we get a palindrome (3332122212333).

The spelling of 2100101202321 in words is "two trillion, one hundred billion, one hundred one million, two hundred two thousand, three hundred twenty-one".