10221211002021 has 16 divisors (see below), whose sum is σ = 13664420964480. Its totient is φ = 6796073689920.

The previous prime is 10221211002011. The next prime is 10221211002083. The reversal of 10221211002021 is 12020011212201.

It is not a de Polignac number, because 10221211002021 - 2¹¹ = 10221210999973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221211002001) 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, 14336331 + ... + 15032391.

It is an arithmetic number, because the mean of its divisors is an integer number (854026310280).

Almost surely, 2^{10221211002021} is an apocalyptic number.

It is an amenable number.

10221211002021 is a deficient number, since it is larger than the sum of its proper divisors (3443209962459).

10221211002021 is a wasteful number, since it uses less digits than its factorization.

10221211002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709036.

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

Adding to 10221211002021 its reverse (12020011212201), we get a palindrome (22241222214222).

The spelling of 10221211002021 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two thousand, twenty-one".