21113354364562 has 8 divisors (see below), whose sum is σ = 33046989440256. Its totient is φ = 10097691217812.

The previous prime is 21113354364559. The next prime is 21113354364581. The reversal of 21113354364562 is 26546345331112.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 458985964447 = 21113354364562 / (2 + 1 + 1 + 1 + 3 + 3 + 5 + 4 + 3 + 6 + 4 + 5 + 6 + 2).

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, 229492982178 + ... + 229492982269.

It is an arithmetic number, because the mean of its divisors is an integer number (4130873680032).

Almost surely, 2^{21113354364562} is an apocalyptic number.

21113354364562 is a deficient number, since it is larger than the sum of its proper divisors (11933635075694).

21113354364562 is a wasteful number, since it uses less digits than its factorization.

21113354364562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458985964472.

The product of its digits is 1555200, while the sum is 46.

Adding to 21113354364562 its reverse (26546345331112), we get a palindrome (47659699695674).

The spelling of 21113354364562 in words is "twenty-one trillion, one hundred thirteen billion, three hundred fifty-four million, three hundred sixty-four thousand, five hundred sixty-two".