20002111300321 has 16 divisors (see below), whose sum is σ = 20301734252800. Its totient is φ = 19704593640960.

The previous prime is 20002111300229. The next prime is 20002111300331. The reversal of 20002111300321 is 12300311120002.

It is a cyclic number.

It is not a de Polignac number, because 20002111300321 - 2⁹ = 20002111299809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002111300295 and 20002111300304.

It is not an unprimeable number, because it can be changed into a prime (20002111300331) 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, 18812680 + ... + 19847446.

It is an arithmetic number, because the mean of its divisors is an integer number (1268858390800).

Almost surely, 2^{20002111300321} is an apocalyptic number.

It is an amenable number.

20002111300321 is a deficient number, since it is larger than the sum of its proper divisors (299622952479).

20002111300321 is a wasteful number, since it uses less digits than its factorization.

20002111300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035784.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20002111300321 its reverse (12300311120002), we get a palindrome (32302422420323).

The spelling of 20002111300321 in words is "twenty trillion, two billion, one hundred eleven million, three hundred thousand, three hundred twenty-one".