220112002101 has 4 divisors (see below), whose sum is σ = 293482669472. Its totient is φ = 146741334732.

The previous prime is 220112002063. The next prime is 220112002109. The reversal of 220112002101 is 101200211022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220112002101 - 2⁹ = 220112001589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112002109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36685333681 + ... + 36685333686.

It is an arithmetic number, because the mean of its divisors is an integer number (73370667368).

Almost surely, 2^220112002101 is an apocalyptic number.

It is an amenable number.

220112002101 is a deficient number, since it is larger than the sum of its proper divisors (73370667371).

220112002101 is an equidigital number, since it uses as much as digits as its factorization.

220112002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73370667370.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220112002101 its reverse (101200211022), we get a palindrome (321312213123).

The spelling of 220112002101 in words is "two hundred twenty billion, one hundred twelve million, two thousand, one hundred one".