10221021201012 has 48 divisors (see below), whose sum is σ = 25252645017600. Its totient is φ = 3206504691712.

The previous prime is 10221021201011. The next prime is 10221021201067. The reversal of 10221021201012 is 21010212012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221021200982 and 10221021201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221021201011) 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 15 ways as a sum of consecutive naturals, for example, 6758989 + ... + 8131787.

It is an arithmetic number, because the mean of its divisors is an integer number (526096771200).

Almost surely, 2^{10221021201012} is an apocalyptic number.

10221021201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221021201012 is an abundant number, since it is smaller than the sum of its proper divisors (15031623816588).

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

10221021201012 is a wasteful number, since it uses less digits than its factorization.

10221021201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409320 (or 1409318 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10221021201012 its reverse (21010212012201), we get a palindrome (31231233213213).

The spelling of 10221021201012 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, two hundred one thousand, twelve".