220101112001 has 16 divisors (see below), whose sum is σ = 232111177728. Its totient is φ = 208400893200.

The previous prime is 220101111977. The next prime is 220101112003. The reversal of 220101112001 is 100211101022.

It is a cyclic number.

It is not a de Polignac number, because 220101112001 - 2²² = 220096917697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220101112003) 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, 4742756 + ... + 4788938.

It is an arithmetic number, because the mean of its divisors is an integer number (14506948608).

Almost surely, 2^220101112001 is an apocalyptic number.

It is an amenable number.

220101112001 is a deficient number, since it is larger than the sum of its proper divisors (12010065727).

220101112001 is a wasteful number, since it uses less digits than its factorization.

220101112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49532.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220101112001 its reverse (100211101022), we get a palindrome (320312213023).

The spelling of 220101112001 in words is "two hundred twenty billion, one hundred one million, one hundred twelve thousand, one".