21200002012011 has 8 divisors (see below), whose sum is σ = 29929414605264. Its totient is φ = 13301962046720.

The previous prime is 21200002012009. The next prime is 21200002012069. The reversal of 21200002012011 is 11021020000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21200002012011 - 2¹ = 21200002012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21200006012011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207843156930 + ... + 207843157031.

It is an arithmetic number, because the mean of its divisors is an integer number (3741176825658).

Almost surely, 2^{21200002012011} is an apocalyptic number.

21200002012011 is a deficient number, since it is larger than the sum of its proper divisors (8729412593253).

21200002012011 is a wasteful number, since it uses less digits than its factorization.

21200002012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415686313981.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21200002012011 its reverse (11021020000212), we get a palindrome (32221022012223).

The spelling of 21200002012011 in words is "twenty-one trillion, two hundred billion, two million, twelve thousand, eleven".