21014331041 has 16 divisors (see below), whose sum is σ = 24567988608. Its totient is φ = 17779449600.

The previous prime is 21014331029. The next prime is 21014331043. The reversal of 21014331041 is 14013341012.

It is a de Polignac number, because none of the positive numbers 2^k-21014331041 is a prime.

It is a super-2 number, since 2×21014331041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21014331043) 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, 1113080 + ... + 1131801.

It is an arithmetic number, because the mean of its divisors is an integer number (1535499288).

Almost surely, 2^21014331041 is an apocalyptic number.

It is an amenable number.

21014331041 is a deficient number, since it is larger than the sum of its proper divisors (3553657567).

21014331041 is a wasteful number, since it uses less digits than its factorization.

21014331041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244952.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21014331041 its reverse (14013341012), we get a palindrome (35027672053).

The spelling of 21014331041 in words is "twenty-one billion, fourteen million, three hundred thirty-one thousand, forty-one".