21033302112031 has 8 divisors (see below), whose sum is σ = 22950940242384. Its totient is φ = 19116583941120.

The previous prime is 21033302112029. The next prime is 21033302112187. The reversal of 21033302112031 is 13021120333012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21033302112031 - 2¹ = 21033302112029 is a prime.

It is a super-2 number, since 2×21033302112031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21033302111993 and 21033302112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033302112731) 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 7 ways as a sum of consecutive naturals, for example, 229942050 + ... + 230033503.

It is an arithmetic number, because the mean of its divisors is an integer number (2868867530298).

Almost surely, 2^{21033302112031} is an apocalyptic number.

21033302112031 is a deficient number, since it is larger than the sum of its proper divisors (1917638130353).

21033302112031 is a wasteful number, since it uses less digits than its factorization.

21033302112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459979721.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21033302112031 its reverse (13021120333012), we get a palindrome (34054422445043).

The spelling of 21033302112031 in words is "twenty-one trillion, thirty-three billion, three hundred two million, one hundred twelve thousand, thirty-one".