2100321432330 has 32 divisors (see below), whose sum is σ = 5499023387328. Its totient is φ = 509168832000.

The previous prime is 2100321432283. The next prime is 2100321432331. The reversal of 2100321432330 is 332341230012.

It is a super-2 number, since 2×2100321432330² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100321432330.

It is not an unprimeable number, because it can be changed into a prime (2100321432331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3182304871 + ... + 3182305530.

It is an arithmetic number, because the mean of its divisors is an integer number (171844480854).

Almost surely, 2^{2100321432330} is an apocalyptic number.

2100321432330 is an abundant number, since it is smaller than the sum of its proper divisors (3398701954998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100321432330 is a wasteful number, since it uses less digits than its factorization.

2100321432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364610422.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2100321432330 its reverse (332341230012), we get a palindrome (2432662662342).

The spelling of 2100321432330 in words is "two trillion, one hundred billion, three hundred twenty-one million, four hundred thirty-two thousand, three hundred thirty".