112010200121 has 4 divisors (see below), whose sum is σ = 112029297552. Its totient is φ = 111991102692.

The previous prime is 112010200103. The next prime is 112010200177. The reversal of 112010200121 is 121002010211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121002010211 = 59 ⋅2050881529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112010200121 is a prime.

It is a super-2 number, since 2×112010200121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112010200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9539915 + ... + 9551648.

It is an arithmetic number, because the mean of its divisors is an integer number (28007324388).

Almost surely, 2^112010200121 is an apocalyptic number.

It is an amenable number.

112010200121 is a deficient number, since it is larger than the sum of its proper divisors (19097431).

112010200121 is an equidigital number, since it uses as much as digits as its factorization.

112010200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19097430.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112010200121 its reverse (121002010211), we get a palindrome (233012210332).

The spelling of 112010200121 in words is "one hundred twelve billion, ten million, two hundred thousand, one hundred twenty-one".