21120300112001 has 16 divisors (see below), whose sum is σ = 21602247307200. Its totient is φ = 20642528280000.

The previous prime is 21120300111973. The next prime is 21120300112031. The reversal of 21120300112001 is 10021100302112.

It is a cyclic number.

It is not a de Polignac number, because 21120300112001 - 2³⁸ = 20845422205057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21120300112031) 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 15 ways as a sum of consecutive naturals, for example, 57914291 + ... + 58277831.

It is an arithmetic number, because the mean of its divisors is an integer number (1350140456700).

Almost surely, 2^{21120300112001} is an apocalyptic number.

It is an amenable number.

21120300112001 is a deficient number, since it is larger than the sum of its proper divisors (481947195199).

21120300112001 is a wasteful number, since it uses less digits than its factorization.

21120300112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369280.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21120300112001 its reverse (10021100302112), we get a palindrome (31141400414113).

The spelling of 21120300112001 in words is "twenty-one trillion, one hundred twenty billion, three hundred million, one hundred twelve thousand, one".