221122201020001 has 8 divisors (see below), whose sum is σ = 226274404856544. Its totient is φ = 215970443868480.

The previous prime is 221122201019983. The next prime is 221122201020011. The reversal of 221122201020001 is 100020102221122.

It is a happy number.

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 221122201020001 - 2²³ = 221122192631393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122201020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110669560 + ... + 112649881.

It is an arithmetic number, because the mean of its divisors is an integer number (28284300607068).

Almost surely, 2^{221122201020001} is an apocalyptic number.

It is an amenable number.

221122201020001 is a deficient number, since it is larger than the sum of its proper divisors (5152203836543).

221122201020001 is a wasteful number, since it uses less digits than its factorization.

221122201020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223342511.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221122201020001 its reverse (100020102221122), we get a palindrome (321142303241123).

The spelling of 221122201020001 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred one million, twenty thousand, one".