21332103111 has 64 divisors (see below), whose sum is σ = 36396864000. Its totient is φ = 12212259840.

The previous prime is 21332103101. The next prime is 21332103131. The reversal of 21332103111 is 11130123312.

21332103111 is a `hidden beast` number, since 21 + 332 + 1 + 0 + 311 + 1 = 666.

It is not a de Polignac number, because 21332103111 - 2¹⁵ = 21332070343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1986625 + ... + 1997333.

It is an arithmetic number, because the mean of its divisors is an integer number (568701000).

Almost surely, 2^21332103111 is an apocalyptic number.

21332103111 is a deficient number, since it is larger than the sum of its proper divisors (15064760889).

21332103111 is a wasteful number, since it uses less digits than its factorization.

21332103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21332103111 its reverse (11130123312), we get a palindrome (32462226423).

The spelling of 21332103111 in words is "twenty-one billion, three hundred thirty-two million, one hundred three thousand, one hundred eleven".