10021211220005 has 16 divisors (see below), whose sum is σ = 12033510128640. Its totient is φ = 8011598457792.

The previous prime is 10021211220001. The next prime is 10021211220011. The reversal of 10021211220005 is 50002211212001.

It is a cyclic number.

It is not a de Polignac number, because 10021211220005 - 2² = 10021211220001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211220001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221455292 + ... + 221500538.

It is an arithmetic number, because the mean of its divisors is an integer number (752094383040).

Almost surely, 2^{10021211220005} is an apocalyptic number.

It is an amenable number.

10021211220005 is a deficient number, since it is larger than the sum of its proper divisors (2012298908635).

10021211220005 is a wasteful number, since it uses less digits than its factorization.

10021211220005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73948.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 10021211220005 its reverse (50002211212001), we get a palindrome (60023422432006).

The spelling of 10021211220005 in words is "ten trillion, twenty-one billion, two hundred eleven million, two hundred twenty thousand, five".