1021201000010 has 16 divisors (see below), whose sum is σ = 1841845500000. Its totient is φ = 407661800016.

The previous prime is 1021200999989. The next prime is 1021201000013. The reversal of 1021201000010 is 100001021201.

It is not an unprimeable number, because it can be changed into a prime (1021201000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102319760 + ... + 102329739.

It is an arithmetic number, because the mean of its divisors is an integer number (115115343750).

Almost surely, 2^{1021201000010} is an apocalyptic number.

1021201000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021201000010 is a deficient number, since it is larger than the sum of its proper divisors (820644499990).

1021201000010 is a wasteful number, since it uses less digits than its factorization.

1021201000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204650005.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021201000010 its reverse (100001021201), we get a palindrome (1121202021211).

The spelling of 1021201000010 in words is "one trillion, twenty-one billion, two hundred one million, ten", and thus it is an aban number.