10001022221201 has 4 divisors (see below), whose sum is σ = 10910206059504. Its totient is φ = 9091838382900.

The previous prime is 10001022221189. The next prime is 10001022221261. The reversal of 10001022221201 is 10212222010001.

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 a de Polignac number, because none of the positive numbers 2^k-10001022221201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001022221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454591919135 + ... + 454591919156.

It is an arithmetic number, because the mean of its divisors is an integer number (2727551514876).

Almost surely, 2^{10001022221201} is an apocalyptic number.

10001022221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001022221201 is a deficient number, since it is larger than the sum of its proper divisors (909183838303).

10001022221201 is an equidigital number, since it uses as much as digits as its factorization.

10001022221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909183838302.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10001022221201 its reverse (10212222010001), we get a palindrome (20213244231202).

It can be divided in two parts, 1000 and 1022221201, that added together give a palindrome (1022222201).

The spelling of 10001022221201 in words is "ten trillion, one billion, twenty-two million, two hundred twenty-one thousand, two hundred one".