21140200213 has 16 divisors (see below), whose sum is σ = 24660417600. Its totient is φ = 17908768000.

The previous prime is 21140200201. The next prime is 21140200241. The reversal of 21140200213 is 31200204112.

It is a cyclic number.

It is not a de Polignac number, because 21140200213 - 2³³ = 12550265621 is a prime.

It is a super-4 number, since 4×21140200213⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140200253) 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, 540763 + ... + 578536.

It is an arithmetic number, because the mean of its divisors is an integer number (1541276100).

Almost surely, 2^21140200213 is an apocalyptic number.

It is an amenable number.

21140200213 is a deficient number, since it is larger than the sum of its proper divisors (3520217387).

21140200213 is a wasteful number, since it uses less digits than its factorization.

21140200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119428.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21140200213 its reverse (31200204112), we get a palindrome (52340404325).

The spelling of 21140200213 in words is "twenty-one billion, one hundred forty million, two hundred thousand, two hundred thirteen".