21033031112301 has 64 divisors (see below), whose sum is σ = 32132658410496. Its totient is φ = 12123144806400.

The previous prime is 21033031112293. The next prime is 21033031112323. The reversal of 21033031112301 is 10321113033012.

It is a happy number.

It is not a de Polignac number, because 21033031112301 - 2³ = 21033031112293 is a prime.

It is a super-4 number, since 4×21033031112301⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033031112341) 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 63 ways as a sum of consecutive naturals, for example, 157506481 + ... + 157639961.

It is an arithmetic number, because the mean of its divisors is an integer number (502072787664).

Almost surely, 2^{21033031112301} is an apocalyptic number.

It is an amenable number.

21033031112301 is a deficient number, since it is larger than the sum of its proper divisors (11099627298195).

21033031112301 is a wasteful number, since it uses less digits than its factorization.

21033031112301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134662.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21033031112301 its reverse (10321113033012), we get a palindrome (31354144145313).

The spelling of 21033031112301 in words is "twenty-one trillion, thirty-three billion, thirty-one million, one hundred twelve thousand, three hundred one".