21111311301 has 8 divisors (see below), whose sum is σ = 28244485920. Its totient is φ = 14026172112.

The previous prime is 21111311269. The next prime is 21111311329. The reversal of 21111311301 is 10311311112.

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

It is not a de Polignac number, because 21111311301 - 2⁵ = 21111311269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21111311341) 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, 12007831 + ... + 12009588.

It is an arithmetic number, because the mean of its divisors is an integer number (3530560740).

Almost surely, 2^21111311301 is an apocalyptic number.

It is an amenable number.

21111311301 is a deficient number, since it is larger than the sum of its proper divisors (7133174619).

21111311301 is a wasteful number, since it uses less digits than its factorization.

21111311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24017715.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 21111311301 its reverse (10311311112), we get a palindrome (31422622413).

The spelling of 21111311301 in words is "twenty-one billion, one hundred eleven million, three hundred eleven thousand, three hundred one".