10210121220204 has 36 divisors (see below), whose sum is σ = 25813991496384. Its totient is φ = 3402704645472.

The previous prime is 10210121220203. The next prime is 10210121220239. The reversal of 10210121220204 is 40202212101201.

10210121220204 is a `hidden beast` number, since 10 + 210 + 1 + 21 + 220 + 204 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10210121220203) 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 11 ways as a sum of consecutive naturals, for example, 27693267 + ... + 28059530.

It is an arithmetic number, because the mean of its divisors is an integer number (717055319344).

Almost surely, 2^{10210121220204} is an apocalyptic number.

It is an amenable number.

10210121220204 is an abundant number, since it is smaller than the sum of its proper divisors (15603870276180).

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

10210121220204 is a wasteful number, since it uses less digits than its factorization.

10210121220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55757894 (or 55757889 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10210121220204 its reverse (40202212101201), we get a palindrome (50412333321405).

The spelling of 10210121220204 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, two hundred four".