10221202001005 has 4 divisors (see below), whose sum is σ = 12265442401212. Its totient is φ = 8176961600800.

The previous prime is 10221202000987. The next prime is 10221202001029. The reversal of 10221202001005 is 50010020212201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2136312561769 + 8084889439236 = 1461613^2 + 2843394^2 .

It is not a de Polignac number, because 10221202001005 - 2²¹ = 10221199903853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221202001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022120200096 + ... + 1022120200105.

It is an arithmetic number, because the mean of its divisors is an integer number (3066360600303).

Almost surely, 2^{10221202001005} is an apocalyptic number.

It is an amenable number.

10221202001005 is a deficient number, since it is larger than the sum of its proper divisors (2044240400207).

10221202001005 is an equidigital number, since it uses as much as digits as its factorization.

10221202001005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044240400206.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 10221202001005 its reverse (50010020212201), we get a palindrome (60231222213206).

The spelling of 10221202001005 in words is "ten trillion, two hundred twenty-one billion, two hundred two million, one thousand, five".