10021735247250 has 64 divisors (see below), whose sum is σ = 25153995934080. Its totient is φ = 2657532737600.

The previous prime is 10021735247221. The next prime is 10021735247269. The reversal of 10021735247250 is 5274253712001.

It is a junction number, because it is equal to n+sod(n) for n = 10021735247199 and 10021735247208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37190649 + ... + 37459148.

It is an arithmetic number, because the mean of its divisors is an integer number (393031186470).

Almost surely, 2^{10021735247250} is an apocalyptic number.

10021735247250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021735247250 is an abundant number, since it is smaller than the sum of its proper divisors (15132260686830).

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

10021735247250 is a wasteful number, since it uses less digits than its factorization.

10021735247250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74649996 (or 74649986 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

Adding to 10021735247250 its reverse (5274253712001), we get a palindrome (15295988959251).

The spelling of 10021735247250 in words is "ten trillion, twenty-one billion, seven hundred thirty-five million, two hundred forty-seven thousand, two hundred fifty".