20211130203213 has 16 divisors (see below), whose sum is σ = 27677069009856. Its totient is φ = 13109654004480.

The previous prime is 20211130203181. The next prime is 20211130203227. The reversal of 20211130203213 is 31230203111202.

It is not a de Polignac number, because 20211130203213 - 2⁵ = 20211130203181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20211130203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211130203263) 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, 3658693 + ... + 7335413.

It is an arithmetic number, because the mean of its divisors is an integer number (1729816813116).

Almost surely, 2^{20211130203213} is an apocalyptic number.

It is an amenable number.

20211130203213 is a deficient number, since it is larger than the sum of its proper divisors (7465938806643).

20211130203213 is a wasteful number, since it uses less digits than its factorization.

20211130203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726284.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20211130203213 its reverse (31230203111202), we get a palindrome (51441333314415).

The spelling of 20211130203213 in words is "twenty trillion, two hundred eleven billion, one hundred thirty million, two hundred three thousand, two hundred thirteen".