112200220121 has 4 divisors (see below), whose sum is σ = 122400240144. Its totient is φ = 102000200100.

The previous prime is 112200220091. The next prime is 112200220151. The reversal of 112200220121 is 121022002211.

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 an interprime number because it is at equal distance from previous prime (112200220091) and next prime (112200220151).

It is a cyclic number.

It is not a de Polignac number, because 112200220121 - 2²⁶ = 112133111257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200220096 and 112200220105.

It is not an unprimeable number, because it can be changed into a prime (112200220151) 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, 5100009995 + ... + 5100010016.

It is an arithmetic number, because the mean of its divisors is an integer number (30600060036).

Almost surely, 2^112200220121 is an apocalyptic number.

112200220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112200220121 is a deficient number, since it is larger than the sum of its proper divisors (10200020023).

112200220121 is a wasteful number, since it uses less digits than its factorization.

112200220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200020022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112200220121 its reverse (121022002211), we get a palindrome (233222222332).

The spelling of 112200220121 in words is "one hundred twelve billion, two hundred million, two hundred twenty thousand, one hundred twenty-one".