21113342664002 has 16 divisors (see below), whose sum is σ = 33047640073152. Its totient is φ = 10097481221520.

The previous prime is 21113342663971. The next prime is 21113342664023. The reversal of 21113342664002 is 20046624331112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335949 + ... + 6905312.

It is an arithmetic number, because the mean of its divisors is an integer number (2065477504572).

Almost surely, 2^{21113342664002} is an apocalyptic number.

21113342664002 is a deficient number, since it is larger than the sum of its proper divisors (11934297409150).

21113342664002 is a wasteful number, since it uses less digits than its factorization.

21113342664002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9290953.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 21113342664002 its reverse (20046624331112), we get a palindrome (41159966995114).

The spelling of 21113342664002 in words is "twenty-one trillion, one hundred thirteen billion, three hundred forty-two million, six hundred sixty-four thousand, two".