21030013120001 has 16 divisors (see below), whose sum is σ = 21964967182080. Its totient is φ = 20114368318080.

The previous prime is 21030013119989. The next prime is 21030013120027. The reversal of 21030013120001 is 10002131003012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21030013120001 is a prime.

It is a super-2 number, since 2×21030013120001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21030013120301) 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 15 ways as a sum of consecutive naturals, for example, 132050861 + ... + 132210021.

It is an arithmetic number, because the mean of its divisors is an integer number (1372810448880).

Almost surely, 2^{21030013120001} is an apocalyptic number.

It is an amenable number.

21030013120001 is a deficient number, since it is larger than the sum of its proper divisors (934954062079).

21030013120001 is a wasteful number, since it uses less digits than its factorization.

21030013120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219784.

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

Adding to 21030013120001 its reverse (10002131003012), we get a palindrome (31032144123013).

The spelling of 21030013120001 in words is "twenty-one trillion, thirty billion, thirteen million, one hundred twenty thousand, one".