21103133113201 has 16 divisors (see below), whose sum is σ = 21171962448000. Its totient is φ = 21034440460800.

The previous prime is 21103133113189. The next prime is 21103133113211. The reversal of 21103133113201 is 10231133130112.

It is a cyclic number.

It is not a de Polignac number, because 21103133113201 - 2¹⁹ = 21103132588913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21103133113211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201148545 + ... + 1201166113.

It is an arithmetic number, because the mean of its divisors is an integer number (1323247653000).

Almost surely, 2^{21103133113201} is an apocalyptic number.

It is an amenable number.

21103133113201 is a deficient number, since it is larger than the sum of its proper divisors (68829334799).

21103133113201 is a wasteful number, since it uses less digits than its factorization.

21103133113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21240.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21103133113201 its reverse (10231133130112), we get a palindrome (31334266243313).

The spelling of 21103133113201 in words is "twenty-one trillion, one hundred three billion, one hundred thirty-three million, one hundred thirteen thousand, two hundred one".