21030112320001 has 8 divisors (see below), whose sum is σ = 21237612402240. Its totient is φ = 20822676165552.

The previous prime is 21030112319999. The next prime is 21030112320079. The reversal of 21030112320001 is 10002321103012.

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 21030112320001 - 2¹ = 21030112319999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21030112320901) 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, 15320635 + ... + 16636768.

It is an arithmetic number, because the mean of its divisors is an integer number (2654701550280).

Almost surely, 2^{21030112320001} is an apocalyptic number.

It is an amenable number.

21030112320001 is a deficient number, since it is larger than the sum of its proper divisors (207500082239).

21030112320001 is a wasteful number, since it uses less digits than its factorization.

21030112320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31963895.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21030112320001 its reverse (10002321103012), we get a palindrome (31032433423013).

The spelling of 21030112320001 in words is "twenty-one trillion, thirty billion, one hundred twelve million, three hundred twenty thousand, one".