21224104001301 has 16 divisors (see below), whose sum is σ = 29287940751360. Its totient is φ = 13657218419760.

The previous prime is 21224104001297. The next prime is 21224104001311. The reversal of 21224104001301 is 10310040142212.

It is not a de Polignac number, because 21224104001301 - 2² = 21224104001297 is a prime.

It is a super-2 number, since 2×21224104001301² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21224104001311) 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, 297896721 + ... + 297967958.

It is an arithmetic number, because the mean of its divisors is an integer number (1830496296960).

Almost surely, 2^{21224104001301} is an apocalyptic number.

It is an amenable number.

21224104001301 is a deficient number, since it is larger than the sum of its proper divisors (8063836750059).

21224104001301 is a wasteful number, since it uses less digits than its factorization.

21224104001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595865096.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21224104001301 its reverse (10310040142212), we get a palindrome (31534144143513).

The spelling of 21224104001301 in words is "twenty-one trillion, two hundred twenty-four billion, one hundred four million, one thousand, three hundred one".