220112001111121 has 24 divisors (see below), whose sum is σ = 259859363591520. Its totient is φ = 185880260966400.

The previous prime is 220112001111103. The next prime is 220112001111137. The reversal of 220112001111121 is 121111100211022.

It is not a de Polignac number, because 220112001111121 - 2⁹ = 220112001110609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220112001111095 and 220112001111104.

It is not an unprimeable number, because it can be changed into a prime (220112001111161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122455600 + ... + 124240081.

It is an arithmetic number, because the mean of its divisors is an integer number (10827473482980).

Almost surely, 2^{220112001111121} is an apocalyptic number.

It is an amenable number.

220112001111121 is a deficient number, since it is larger than the sum of its proper divisors (39747362480399).

220112001111121 is a wasteful number, since it uses less digits than its factorization.

220112001111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246695965 (or 246695958 counting only the distinct ones).

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

Adding to 220112001111121 its reverse (121111100211022), we get a palindrome (341223101322143).

Subtracting from 220112001111121 its reverse (121111100211022), we obtain a palindrome (99000900900099).

The spelling of 220112001111121 in words is "two hundred twenty trillion, one hundred twelve billion, one million, one hundred eleven thousand, one hundred twenty-one".