112112222100121 has 4 divisors (see below), whose sum is σ = 113785538847952. Its totient is φ = 110438905352292.

The previous prime is 112112222100107. The next prime is 112112222100127. The reversal of 112112222100121 is 121001222211211.

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 112112222100121 - 2¹⁷ = 112112221969049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112112222100127) 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, 836658373815 + ... + 836658373948.

It is an arithmetic number, because the mean of its divisors is an integer number (28446384711988).

Almost surely, 2^{112112222100121} is an apocalyptic number.

It is an amenable number.

112112222100121 is a deficient number, since it is larger than the sum of its proper divisors (1673316747831).

112112222100121 is an equidigital number, since it uses as much as digits as its factorization.

112112222100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673316747830.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112112222100121 its reverse (121001222211211), we get a palindrome (233113444311332).

The spelling of 112112222100121 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-one".