10112121091 has 8 divisors (see below), whose sum is σ = 10199775600. Its totient is φ = 10024802592.

The previous prime is 10112121037. The next prime is 10112121109. The reversal of 10112121091 is 19012121101.

10112121091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10112121091 - 2²⁷ = 9977903363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112121001) 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 7 ways as a sum of consecutive naturals, for example, 23365 + ... + 144118.

It is an arithmetic number, because the mean of its divisors is an integer number (1274971950).

Almost surely, 2^10112121091 is an apocalyptic number.

10112121091 is a deficient number, since it is larger than the sum of its proper divisors (87654509).

10112121091 is a wasteful number, since it uses less digits than its factorization.

10112121091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168005.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 10112121091 its reverse (19012121101), we get a palindrome (29124242192).

The spelling of 10112121091 in words is "ten billion, one hundred twelve million, one hundred twenty-one thousand, ninety-one".