21041200441113 has 16 divisors (see below), whose sum is σ = 28700158650240. Its totient is φ = 13708380415104.

The previous prime is 21041200441087. The next prime is 21041200441117. The reversal of 21041200441113 is 31114400214012.

It is a happy number.

It is not a de Polignac number, because 21041200441113 - 2¹² = 21041200437017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21041200441117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440703381 + ... + 440751122.

It is an arithmetic number, because the mean of its divisors is an integer number (1793759915640).

Almost surely, 2^{21041200441113} is an apocalyptic number.

It is an amenable number.

21041200441113 is a deficient number, since it is larger than the sum of its proper divisors (7658958209127).

21041200441113 is a wasteful number, since it uses less digits than its factorization.

21041200441113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881454688.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 21041200441113 its reverse (31114400214012), we get a palindrome (52155600655125).

The spelling of 21041200441113 in words is "twenty-one trillion, forty-one billion, two hundred million, four hundred forty-one thousand, one hundred thirteen".