21000331011014 has 16 divisors (see below), whose sum is σ = 32053736307600. Its totient is φ = 10315967053824.

The previous prime is 21000331010993. The next prime is 21000331011019. The reversal of 21000331011014 is 41011013300012.

It is a junction number, because it is equal to n+sod(n) for n = 21000331010983 and 21000331011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000331011019) 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 7 ways as a sum of consecutive naturals, for example, 53506619 + ... + 53897670.

It is an arithmetic number, because the mean of its divisors is an integer number (2003358519225).

Almost surely, 2^{21000331011014} is an apocalyptic number.

21000331011014 is a deficient number, since it is larger than the sum of its proper divisors (11053405296586).

21000331011014 is a wasteful number, since it uses less digits than its factorization.

21000331011014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107406007.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21000331011014 its reverse (41011013300012), we get a palindrome (62011344311026).

The spelling of 21000331011014 in words is "twenty-one trillion, three hundred thirty-one million, eleven thousand, fourteen".