2100322213321 has 4 divisors (see below), whose sum is σ = 2100456701200. Its totient is φ = 2100187725444.

The previous prime is 2100322213309. The next prime is 2100322213357. The reversal of 2100322213321 is 1233122230012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100322213321 - 2⁹ = 2100322212809 is a prime.

It is a super-2 number, since 2×2100322213321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100322213292 and 2100322213301.

It is not an unprimeable number, because it can be changed into a prime (2100322253321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67220511 + ... + 67251748.

It is an arithmetic number, because the mean of its divisors is an integer number (525114175300).

Almost surely, 2^{2100322213321} is an apocalyptic number.

It is an amenable number.

2100322213321 is a deficient number, since it is larger than the sum of its proper divisors (134487879).

2100322213321 is a wasteful number, since it uses less digits than its factorization.

2100322213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134487878.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2100322213321 its reverse (1233122230012), we get a palindrome (3333444443333).

The spelling of 2100322213321 in words is "two trillion, one hundred billion, three hundred twenty-two million, two hundred thirteen thousand, three hundred twenty-one".