21929301930011 has 32 divisors (see below), whose sum is σ = 25772269219200. Its totient is φ = 18271341665280.

The previous prime is 21929301929989. The next prime is 21929301930031. The reversal of 21929301930011 is 11003910392912.

It is a cyclic number.

It is not a de Polignac number, because 21929301930011 - 2⁶ = 21929301929947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21929301930031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74833685 + ... + 75126153.

It is an arithmetic number, because the mean of its divisors is an integer number (805383413100).

Almost surely, 2^{21929301930011} is an apocalyptic number.

21929301930011 is a deficient number, since it is larger than the sum of its proper divisors (3842967289189).

21929301930011 is a wasteful number, since it uses less digits than its factorization.

21929301930011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294599.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 21929301930011 in words is "twenty-one trillion, nine hundred twenty-nine billion, three hundred one million, nine hundred thirty thousand, eleven".