21113343522242 has 8 divisors (see below), whose sum is σ = 32206795203600. Its totient is φ = 10377745121044.

The previous prime is 21113343522217. The next prime is 21113343522263. The reversal of 21113343522242 is 24222534331112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89463319892 + ... + 89463320127.

It is an arithmetic number, because the mean of its divisors is an integer number (4025849400450).

Almost surely, 2^{21113343522242} is an apocalyptic number.

21113343522242 is a deficient number, since it is larger than the sum of its proper divisors (11093451681358).

21113343522242 is a wasteful number, since it uses less digits than its factorization.

21113343522242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178926640080.

The product of its digits is 69120, while the sum is 35.

Adding to 21113343522242 its reverse (24222534331112), we get a palindrome (45335877853354).

The spelling of 21113343522242 in words is "twenty-one trillion, one hundred thirteen billion, three hundred forty-three million, five hundred twenty-two thousand, two hundred forty-two".