21121230300001 has 16 divisors (see below), whose sum is σ = 22897686448000. Its totient is φ = 19366464700800.

The previous prime is 21121230299959. The next prime is 21121230300041. The reversal of 21121230300001 is 10000303212112.

It is a cyclic number.

It is not a de Polignac number, because 21121230300001 - 2³¹ = 21119082816353 is a prime.

It is a super-2 number, since 2×21121230300001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21121230300041) 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, 41952301 + ... + 42452773.

It is an arithmetic number, because the mean of its divisors is an integer number (1431105403000).

Almost surely, 2^{21121230300001} is an apocalyptic number.

It is an amenable number.

21121230300001 is a deficient number, since it is larger than the sum of its proper divisors (1776456147999).

21121230300001 is a wasteful number, since it uses less digits than its factorization.

21121230300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522136.

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

Adding to 21121230300001 its reverse (10000303212112), we get a palindrome (31121533512113).

The spelling of 21121230300001 in words is "twenty-one trillion, one hundred twenty-one billion, two hundred thirty million, three hundred thousand, one".