220001112011001 has 16 divisors (see below), whose sum is σ = 305575185681920. Its totient is φ = 140634034306560.

The previous prime is 220001112010987. The next prime is 220001112011047. The reversal of 220001112011001 is 100110211100022.

It is not a de Polignac number, because 220001112011001 - 2¹⁹ = 220001111486713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001112012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10851381400 + ... + 10851401673.

It is an arithmetic number, because the mean of its divisors is an integer number (19098449105120).

Almost surely, 2^{220001112011001} is an apocalyptic number.

It is an amenable number.

220001112011001 is a deficient number, since it is larger than the sum of its proper divisors (85574073670919).

220001112011001 is a wasteful number, since it uses less digits than its factorization.

220001112011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21702783216.

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

Adding to 220001112011001 its reverse (100110211100022), we get a palindrome (320111323111023).

The spelling of 220001112011001 in words is "two hundred twenty trillion, one billion, one hundred twelve million, eleven thousand, one".