21442023411210 has 64 divisors (see below), whose sum is σ = 57884639391360. Its totient is φ = 5717872903824.

The previous prime is 21442023411203. The next prime is 21442023411223. The reversal of 21442023411210 is 1211432024412.

21442023411210 is a `hidden beast` number, since 2 + 1 + 4 + 420 + 23 + 4 + 1 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490193572 + ... + 490237311.

It is an arithmetic number, because the mean of its divisors is an integer number (904447490490).

Almost surely, 2^{21442023411210} is an apocalyptic number.

21442023411210 is an abundant number, since it is smaller than the sum of its proper divisors (36442615980150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21442023411210 is an frugal number, since it uses more digits than its factorization.

21442023411210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980430911 (or 980430893 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 21442023411210 its reverse (1211432024412), we get a palindrome (22653455435622).

The spelling of 21442023411210 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred eleven thousand, two hundred ten".