21232332101 has 8 divisors (see below), whose sum is σ = 21695750208. Its totient is φ = 20773480000.

The previous prime is 21232332091. The next prime is 21232332131. The reversal of 21232332101 is 10123323212.

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

It is a cyclic number.

It is not a de Polignac number, because 21232332101 - 2¹⁰ = 21232331077 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 (21232332131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132100 + ... + 1150701.

It is an arithmetic number, because the mean of its divisors is an integer number (2711968776).

Almost surely, 2^21232332101 is an apocalyptic number.

It is an amenable number.

21232332101 is a deficient number, since it is larger than the sum of its proper divisors (463418107).

21232332101 is a wasteful number, since it uses less digits than its factorization.

21232332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283003.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21232332101 its reverse (10123323212), we get a palindrome (31355655313).

The spelling of 21232332101 in words is "twenty-one billion, two hundred thirty-two million, three hundred thirty-two thousand, one hundred one".