21244322140033 has 16 divisors (see below), whose sum is σ = 21608592883200. Its totient is φ = 20882447277120.

The previous prime is 21244322140009. The next prime is 21244322140037. The reversal of 21244322140033 is 33004122344212.

It is a cyclic number.

It is not a de Polignac number, because 21244322140033 - 2⁴¹ = 19045298884481 is a prime.

It is a super-2 number, since 2×21244322140033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21244322139977 and 21244322140004.

It is not an unprimeable number, because it can be changed into a prime (21244322140037) 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, 382470243 + ... + 382525783.

It is an arithmetic number, because the mean of its divisors is an integer number (1350537055200).

Almost surely, 2^{21244322140033} is an apocalyptic number.

It is an amenable number.

21244322140033 is a deficient number, since it is larger than the sum of its proper divisors (364270743167).

21244322140033 is a wasteful number, since it uses less digits than its factorization.

21244322140033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76992.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21244322140033 its reverse (33004122344212), we get a palindrome (54248444484245).

The spelling of 21244322140033 in words is "twenty-one trillion, two hundred forty-four billion, three hundred twenty-two million, one hundred forty thousand, thirty-three".