10112210101121 has 4 divisors (see below), whose sum is σ = 10118183056212. Its totient is φ = 10106237146032.

The previous prime is 10112210101109. The next prime is 10112210101171. The reversal of 10112210101121 is 12110101221101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5552550268225 + 4559659832896 = 2356385^2 + 2135336^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112210101121 - 2³⁰ = 10111136359297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10112210101096 and 10112210101105.

It is not an unprimeable number, because it can be changed into a prime (10112210101171) 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, 2986475006 + ... + 2986478391.

It is an arithmetic number, because the mean of its divisors is an integer number (2529545764053).

Almost surely, 2^{10112210101121} is an apocalyptic number.

It is an amenable number.

10112210101121 is a deficient number, since it is larger than the sum of its proper divisors (5972955091).

10112210101121 is an equidigital number, since it uses as much as digits as its factorization.

10112210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972955090.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10112210101121 its reverse (12110101221101), we get a palindrome (22222311322222).

The spelling of 10112210101121 in words is "ten trillion, one hundred twelve billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".