220200121220001 has 32 divisors (see below), whose sum is σ = 318140907608832. Its totient is φ = 134671878270720.

The previous prime is 220200121219987. The next prime is 220200121220029. The reversal of 220200121220001 is 100022121002022.

It is not a de Polignac number, because 220200121220001 - 2⁶ = 220200121219937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220200121222001) 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 31 ways as a sum of consecutive naturals, for example, 21178570 + ... + 29814963.

It is an arithmetic number, because the mean of its divisors is an integer number (9941903362776).

Almost surely, 2^{220200121220001} is an apocalyptic number.

It is an amenable number.

220200121220001 is a deficient number, since it is larger than the sum of its proper divisors (97940786388831).

220200121220001 is a wasteful number, since it uses less digits than its factorization.

220200121220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50994233.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220200121220001 its reverse (100022121002022), we get a palindrome (320222242222023).

The spelling of 220200121220001 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, one".