21031120300113 has 144 divisors (see below), whose sum is σ = 40639943448000. Its totient is φ = 10334834012160.

The previous prime is 21031120300111. The next prime is 21031120300133. The reversal of 21031120300113 is 31100302113012.

21031120300113 is a `hidden beast` number, since 21 + 0 + 311 + 20 + 300 + 1 + 13 = 666.

It is not a de Polignac number, because 21031120300113 - 2¹ = 21031120300111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21031120300111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 61860213 + ... + 62199261.

It is an arithmetic number, because the mean of its divisors is an integer number (282221829500).

Almost surely, 2^{21031120300113} is an apocalyptic number.

It is an amenable number.

21031120300113 is a deficient number, since it is larger than the sum of its proper divisors (19608823147887).

21031120300113 is a wasteful number, since it uses less digits than its factorization.

21031120300113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339772 (or 339762 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21031120300113 its reverse (31100302113012), we get a palindrome (52131422413125).

The spelling of 21031120300113 in words is "twenty-one trillion, thirty-one billion, one hundred twenty million, three hundred thousand, one hundred thirteen".