2101321101330 has 48 divisors (see below), whose sum is σ = 5960110762944. Its totient is φ = 509411175840.

The previous prime is 2101321101329. The next prime is 2101321101331. The reversal of 2101321101330 is 331011231012.

2101321101330 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 321 + 10 + 1 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (2101321101329) and next prime (2101321101331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2101321101331) 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 23 ways as a sum of consecutive naturals, for example, 1061272294 + ... + 1061274273.

It is an arithmetic number, because the mean of its divisors is an integer number (124168974228).

Almost surely, 2^{2101321101330} is an apocalyptic number.

2101321101330 is an abundant number, since it is smaller than the sum of its proper divisors (3858789661614).

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

2101321101330 is a wasteful number, since it uses less digits than its factorization.

2101321101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122546591 (or 2122546588 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2101321101330 its reverse (331011231012), we get a palindrome (2432332332342).

The spelling of 2101321101330 in words is "two trillion, one hundred one billion, three hundred twenty-one million, one hundred one thousand, three hundred thirty".