21332111229 has 48 divisors (see below), whose sum is σ = 36970262784. Its totient is φ = 11680099200.

The previous prime is 21332111221. The next prime is 21332111237. The reversal of 21332111229 is 92211123312.

21332111229 is a `hidden beast` number, since 213 + 321 + 1 + 122 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (21332111221) and next prime (21332111237).

It is not a de Polignac number, because 21332111229 - 2³ = 21332111221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332111221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115842 + ... + 236819.

It is an arithmetic number, because the mean of its divisors is an integer number (770213808).

Almost surely, 2^21332111229 is an apocalyptic number.

It is an amenable number.

21332111229 is a deficient number, since it is larger than the sum of its proper divisors (15638151555).

21332111229 is a wasteful number, since it uses less digits than its factorization.

21332111229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352738 (or 352735 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The spelling of 21332111229 in words is "twenty-one billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twenty-nine".