112200012121 has 8 divisors (see below), whose sum is σ = 120747555144. Its totient is φ = 103868862720.

The previous prime is 112200012107. The next prime is 112200012277. The reversal of 112200012121 is 121210002211.

It can be written as a sum of positive squares in 4 ways, for example, as 2546312521 + 109653699600 = 50461^2 + 331140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112200012121 - 2¹⁷ = 112199881049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112200072121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54097330 + ... + 54099403.

It is an arithmetic number, because the mean of its divisors is an integer number (15093444393).

Almost surely, 2^112200012121 is an apocalyptic number.

It is an amenable number.

112200012121 is a deficient number, since it is larger than the sum of its proper divisors (8547543023).

112200012121 is a wasteful number, since it uses less digits than its factorization.

112200012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108196811.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112200012121 its reverse (121210002211), we get a palindrome (233410014332).

The spelling of 112200012121 in words is "one hundred twelve billion, two hundred million, twelve thousand, one hundred twenty-one".