200021340411311 has 16 divisors (see below), whose sum is σ = 202714638389760. Its totient is φ = 197332109807040.

The previous prime is 200021340411251. The next prime is 200021340411331. The reversal of 200021340411311 is 113114043120002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200021340411311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021340411331) 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, 998194616 + ... + 998394978.

It is an arithmetic number, because the mean of its divisors is an integer number (12669664899360).

Almost surely, 2^{200021340411311} is an apocalyptic number.

200021340411311 is a deficient number, since it is larger than the sum of its proper divisors (2693297978449).

200021340411311 is a wasteful number, since it uses less digits than its factorization.

200021340411311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210446.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 200021340411311 its reverse (113114043120002), we get a palindrome (313135383531313).

The spelling of 200021340411311 in words is "two hundred trillion, twenty-one billion, three hundred forty million, four hundred eleven thousand, three hundred eleven".