220001121100101 has 32 divisors (see below), whose sum is σ = 353556788917248. Its totient is φ = 120034712272640.

The previous prime is 220001121100043. The next prime is 220001121100157. The reversal of 220001121100101 is 101001121100022.

It is not a de Polignac number, because 220001121100101 - 2⁷ = 220001121099973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001121100181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8525179731 + ... + 8525205536.

It is an arithmetic number, because the mean of its divisors is an integer number (11048649653664).

Almost surely, 2^{220001121100101} is an apocalyptic number.

It is an amenable number.

220001121100101 is a deficient number, since it is larger than the sum of its proper divisors (133555667817147).

220001121100101 is a wasteful number, since it uses less digits than its factorization.

220001121100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050385321.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220001121100101 its reverse (101001121100022), we get a palindrome (321002242200123).

The spelling of 220001121100101 in words is "two hundred twenty trillion, one billion, one hundred twenty-one million, one hundred thousand, one hundred one".