10012221201020 has 48 divisors (see below), whose sum is σ = 22199143612800. Its totient is φ = 3782642276160.

The previous prime is 10012221200959. The next prime is 10012221201023. The reversal of 10012221201020 is 2010212221001.

It is a junction number, because it is equal to n+sod(n) for n = 10012221200986 and 10012221201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012221201023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39674750 + ... + 39926309.

It is an arithmetic number, because the mean of its divisors is an integer number (462482158600).

Almost surely, 2^{10012221201020} is an apocalyptic number.

10012221201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012221201020 is an abundant number, since it is smaller than the sum of its proper divisors (12186922411780).

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

10012221201020 is a wasteful number, since it uses less digits than its factorization.

10012221201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79601418 (or 79601416 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012221201020 its reverse (2010212221001), we get a palindrome (12022433422021).

The spelling of 10012221201020 in words is "ten trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, twenty".