210120100999968 has 48 divisors (see below), whose sum is σ = 575546363614656. Its totient is φ = 66994814810880.

The previous prime is 210120100999957. The next prime is 210120100999969. The reversal of 210120100999968 is 869999001021012.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (210120100999969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47581542403 + ... + 47581546818.

It is an arithmetic number, because the mean of its divisors is an integer number (11990549241972).

Almost surely, 2^{210120100999968} is an apocalyptic number.

It is an amenable number.

210120100999968 is an abundant number, since it is smaller than the sum of its proper divisors (365426262614688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210120100999968 is a wasteful number, since it uses less digits than its factorization.

210120100999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95163089257 (or 95163089249 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 57.

The spelling of 210120100999968 in words is "two hundred ten trillion, one hundred twenty billion, one hundred million, nine hundred ninety-nine thousand, nine hundred sixty-eight".