220112111001 has 32 divisors (see below), whose sum is σ = 302835188736. Its totient is φ = 142103808000.

The previous prime is 220112110979. The next prime is 220112111003. The reversal of 220112111001 is 100111211022.

It is not a de Polignac number, because 220112111001 - 2⁵ = 220112110969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220112111003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30906721 + ... + 30913841.

It is an arithmetic number, because the mean of its divisors is an integer number (9463599648).

Almost surely, 2^220112111001 is an apocalyptic number.

It is an amenable number.

220112111001 is a deficient number, since it is larger than the sum of its proper divisors (82723077735).

220112111001 is a wasteful number, since it uses less digits than its factorization.

220112111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433.

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

Adding to 220112111001 its reverse (100111211022), we get a palindrome (320223322023).

It can be divided in two parts, 2201121 and 11001, that added together give a palindrome (2212122).

The spelling of 220112111001 in words is "two hundred twenty billion, one hundred twelve million, one hundred eleven thousand, one".