112100121121 has 4 divisors (see below), whose sum is σ = 112102513200. Its totient is φ = 112097729044.

The previous prime is 112100121097. The next prime is 112100121131. The reversal of 112100121121 is 121121001211.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 112100121121 - 2⁹ = 112100120609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100121131) 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, 1124311 + ... + 1219948.

It is an arithmetic number, because the mean of its divisors is an integer number (28025628300).

Almost surely, 2^112100121121 is an apocalyptic number.

It is an amenable number.

112100121121 is a deficient number, since it is larger than the sum of its proper divisors (2392079).

112100121121 is an equidigital number, since it uses as much as digits as its factorization.

112100121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392078.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112100121121 its reverse (121121001211), we get a palindrome (233221122332).

The spelling of 112100121121 in words is "one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-one".