10210121220250 has 128 divisors (see below), whose sum is σ = 22186699891200. Its totient is φ = 3445854220800.

The previous prime is 10210121220239. The next prime is 10210121220251. The reversal of 10210121220250 is 5202212101201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10210121220251) 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 63 ways as a sum of consecutive naturals, for example, 64946241 + ... + 65103259.

It is an arithmetic number, because the mean of its divisors is an integer number (173333592900).

Almost surely, 2^{10210121220250} is an apocalyptic number.

10210121220250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10210121220250 is an abundant number, since it is smaller than the sum of its proper divisors (11976578670950).

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

10210121220250 is a wasteful number, since it uses less digits than its factorization.

10210121220250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157625 (or 157615 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10210121220250 its reverse (5202212101201), we get a palindrome (15412333321451).

The spelling of 10210121220250 in words is "ten trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, two hundred fifty".