21320130202011 has 12 divisors (see below), whose sum is σ = 30847675746888. Its totient is φ = 14189451463104.

The previous prime is 21320130201973. The next prime is 21320130202073. The reversal of 21320130202011 is 11020203102312.

21320130202011 is a `hidden beast` number, since 2 + 1 + 320 + 130 + 202 + 0 + 11 = 666.

It is not a de Polignac number, because 21320130202011 - 2⁶ = 21320130201947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21320130201011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1997383665 + ... + 1997394338.

It is an arithmetic number, because the mean of its divisors is an integer number (2570639645574).

Almost surely, 2^{21320130202011} is an apocalyptic number.

21320130202011 is a deficient number, since it is larger than the sum of its proper divisors (9527545544877).

21320130202011 is a wasteful number, since it uses less digits than its factorization.

21320130202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994778602 (or 3994778599 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21320130202011 its reverse (11020203102312), we get a palindrome (32340333304323).

The spelling of 21320130202011 in words is "twenty-one trillion, three hundred twenty billion, one hundred thirty million, two hundred two thousand, eleven".