10021221122201 has 4 divisors (see below), whose sum is σ = 10023156099600. Its totient is φ = 10019286144804.

The previous prime is 10021221122177. The next prime is 10021221122207. The reversal of 10021221122201 is 10222112212001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10021221122201 - 2⁴² = 5623174611097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10021221122201.

It is not an unprimeable number, because it can be changed into a prime (10021221122207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967480931 + ... + 967491288.

It is an arithmetic number, because the mean of its divisors is an integer number (2505789024900).

Almost surely, 2^{10021221122201} is an apocalyptic number.

It is an amenable number.

10021221122201 is a deficient number, since it is larger than the sum of its proper divisors (1934977399).

10021221122201 is an equidigital number, since it uses as much as digits as its factorization.

10021221122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934977398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10021221122201 its reverse (10222112212001), we get a palindrome (20243333334202).

The spelling of 10021221122201 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred one".