21111034341 has 8 divisors (see below), whose sum is σ = 28802651680. Its totient is φ = 13746719952.

The previous prime is 21111034339. The next prime is 21111034363. The reversal of 21111034341 is 14343011112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21111034341 - 2¹ = 21111034339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21111034331) 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 7 ways as a sum of consecutive naturals, for example, 81825586 + ... + 81825843.

It is an arithmetic number, because the mean of its divisors is an integer number (3600331460).

Almost surely, 2^21111034341 is an apocalyptic number.

It is an amenable number.

21111034341 is a deficient number, since it is larger than the sum of its proper divisors (7691617339).

21111034341 is a wasteful number, since it uses less digits than its factorization.

21111034341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163651475.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21111034341 its reverse (14343011112), we get a palindrome (35454045453).

The spelling of 21111034341 in words is "twenty-one billion, one hundred eleven million, thirty-four thousand, three hundred forty-one".