10011221012021 has 8 divisors (see below), whose sum is σ = 10334584313088. Its totient is φ = 9687884004000.

The previous prime is 10011221012017. The next prime is 10011221012027. The reversal of 10011221012021 is 12021012211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10011221012021 - 2² = 10011221012017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011221011987 and 10011221012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011221012027) 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 7 ways as a sum of consecutive naturals, for example, 5798000 + ... + 7323881.

It is an arithmetic number, because the mean of its divisors is an integer number (1291823039136).

Almost surely, 2^{10011221012021} is an apocalyptic number.

It is an amenable number.

10011221012021 is a deficient number, since it is larger than the sum of its proper divisors (323363301067).

10011221012021 is a wasteful number, since it uses less digits than its factorization.

10011221012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146523.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10011221012021 its reverse (12021012211001), we get a palindrome (22032233223022).

The spelling of 10011221012021 in words is "ten trillion, eleven billion, two hundred twenty-one million, twelve thousand, twenty-one".