21301410120321 has 16 divisors (see below), whose sum is σ = 28592973892800. Its totient is φ = 14105396395200.

The previous prime is 21301410120313. The next prime is 21301410120329. The reversal of 21301410120321 is 12302101410312.

It is an interprime number because it is at equal distance from previous prime (21301410120313) and next prime (21301410120329).

It is not a de Polignac number, because 21301410120321 - 2³ = 21301410120313 is a prime.

It is a super-2 number, since 2×21301410120321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21301410120329) 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, 28821046 + ... + 29550896.

It is an arithmetic number, because the mean of its divisors is an integer number (1787060868300).

Almost surely, 2^{21301410120321} is an apocalyptic number.

It is an amenable number.

21301410120321 is a deficient number, since it is larger than the sum of its proper divisors (7291563772479).

21301410120321 is a wasteful number, since it uses less digits than its factorization.

21301410120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795296.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21301410120321 its reverse (12302101410312), we get a palindrome (33603511530633).

The spelling of 21301410120321 in words is "twenty-one trillion, three hundred one billion, four hundred ten million, one hundred twenty thousand, three hundred twenty-one".