21133342441210 has 64 divisors (see below), whose sum is σ = 40332078342144. Its totient is φ = 7958821536000.

The previous prime is 21133342441199. The next prime is 21133342441219. The reversal of 21133342441210 is 1214424333112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (21133342441219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134613760 + ... + 134770660.

It is an arithmetic number, because the mean of its divisors is an integer number (630188724096).

Almost surely, 2^{21133342441210} is an apocalyptic number.

21133342441210 is a deficient number, since it is larger than the sum of its proper divisors (19198735900934).

21133342441210 is a wasteful number, since it uses less digits than its factorization.

21133342441210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168719.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 21133342441210 its reverse (1214424333112), we get a palindrome (22347766774322).

The spelling of 21133342441210 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred forty-two million, four hundred forty-one thousand, two hundred ten".