221102020200001 has 16 divisors (see below), whose sum is σ = 234228724240000. Its totient is φ = 208124375367168.

The previous prime is 221102020199999. The next prime is 221102020200007. The reversal of 221102020200001 is 100002020201122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221102020200001 - 2¹ = 221102020199999 is a prime.

It is a super-2 number, since 2×221102020200001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221102020200007) 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 15 ways as a sum of consecutive naturals, for example, 95363500 + ... + 97654498.

It is an arithmetic number, because the mean of its divisors is an integer number (14639295265000).

Almost surely, 2^{221102020200001} is an apocalyptic number.

It is an amenable number.

221102020200001 is a deficient number, since it is larger than the sum of its proper divisors (13126704039999).

221102020200001 is a wasteful number, since it uses less digits than its factorization.

221102020200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323528.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221102020200001 its reverse (100002020201122), we get a palindrome (321104040401123).

The spelling of 221102020200001 in words is "two hundred twenty-one trillion, one hundred two billion, twenty million, two hundred thousand, one".