10112011121 has 4 divisors (see below), whose sum is σ = 10283401200. Its totient is φ = 9940621044.

The previous prime is 10112011099. The next prime is 10112011127. The reversal of 10112011121 is 12111021101.

10112011121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 12111021101 = 9739 ⋅1243559.

It is a cyclic number.

It is not a de Polignac number, because 10112011121 - 2⁶ = 10112011057 is a prime.

It is a super-2 number, since 2×10112011121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112011127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85694951 + ... + 85695068.

It is an arithmetic number, because the mean of its divisors is an integer number (2570850300).

Almost surely, 2^10112011121 is an apocalyptic number.

It is an amenable number.

10112011121 is a deficient number, since it is larger than the sum of its proper divisors (171390079).

10112011121 is an equidigital number, since it uses as much as digits as its factorization.

10112011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171390078.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10112011121 its reverse (12111021101), we get a palindrome (22223032222).

The spelling of 10112011121 in words is "ten billion, one hundred twelve million, eleven thousand, one hundred twenty-one".