21030132101 has 8 divisors (see below), whose sum is σ = 23733064800. Its totient is φ = 18459049840.

The previous prime is 21030131963. The next prime is 21030132107. The reversal of 21030132101 is 10123103012.

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

It is not a de Polignac number, because 21030132101 - 2²² = 21025937797 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 (21030132107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32962271 + ... + 32962908.

It is an arithmetic number, because the mean of its divisors is an integer number (2966633100).

Almost surely, 2^21030132101 is an apocalyptic number.

It is an amenable number.

21030132101 is a deficient number, since it is larger than the sum of its proper divisors (2702932699).

21030132101 is a wasteful number, since it uses less digits than its factorization.

21030132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65925219.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21030132101 its reverse (10123103012), we get a palindrome (31153235113).

The spelling of 21030132101 in words is "twenty-one billion, thirty million, one hundred thirty-two thousand, one hundred one".