200021211031 has 16 divisors (see below), whose sum is σ = 207263160000. Its totient is φ = 192802579200.

The previous prime is 200021210959. The next prime is 200021211079. The reversal of 200021211031 is 130112120002.

It is not a de Polignac number, because 200021211031 - 2¹¹ = 200021208983 is a prime.

It is a super-2 number, since 2×200021211031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021211631) 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, 66694470 + ... + 66697468.

It is an arithmetic number, because the mean of its divisors is an integer number (12953947500).

Almost surely, 2^200021211031 is an apocalyptic number.

200021211031 is a deficient number, since it is larger than the sum of its proper divisors (7241948969).

200021211031 is a wasteful number, since it uses less digits than its factorization.

200021211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 200021211031 its reverse (130112120002), we get a palindrome (330133331033).

The spelling of 200021211031 in words is "two hundred billion, twenty-one million, two hundred eleven thousand, thirty-one".