10221201102021 has 64 divisors (see below), whose sum is σ = 17242220986368. Its totient is φ = 5240927639808.

The previous prime is 10221201101959. The next prime is 10221201102053. The reversal of 10221201102021 is 12020110212201.

It is not a de Polignac number, because 10221201102021 - 2⁶ = 10221201101957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221201104021) 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 63 ways as a sum of consecutive naturals, for example, 10682700 + ... + 11600106.

It is an arithmetic number, because the mean of its divisors is an integer number (269409702912).

Almost surely, 2^{10221201102021} is an apocalyptic number.

It is an amenable number.

10221201102021 is a deficient number, since it is larger than the sum of its proper divisors (7021019884347).

10221201102021 is a wasteful number, since it uses less digits than its factorization.

10221201102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918570.

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

Adding to 10221201102021 its reverse (12020110212201), we get a palindrome (22241311314222).

The spelling of 10221201102021 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, one hundred two thousand, twenty-one".