21200130103331 has 16 divisors (see below), whose sum is σ = 21554231516160. Its totient is φ = 20848399691040.

The previous prime is 21200130103283. The next prime is 21200130103409. The reversal of 21200130103331 is 13330103100212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21200130103331 is a prime.

It is a super-2 number, since 2×21200130103331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200130103531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174312500 + ... + 174434078.

It is an arithmetic number, because the mean of its divisors is an integer number (1347139469760).

Almost surely, 2^{21200130103331} is an apocalyptic number.

21200130103331 is a deficient number, since it is larger than the sum of its proper divisors (354101412829).

21200130103331 is a wasteful number, since it uses less digits than its factorization.

21200130103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131306.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21200130103331 its reverse (13330103100212), we get a palindrome (34530233203543).

The spelling of 21200130103331 in words is "twenty-one trillion, two hundred billion, one hundred thirty million, one hundred three thousand, three hundred thirty-one".