10112012101091 has 4 divisors (see below), whose sum is σ = 10112101825272. Its totient is φ = 10111922376912.

The previous prime is 10112012101069. The next prime is 10112012101129. The reversal of 10112012101091 is 19010121021101.

10112012101091 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.

It is a cyclic number.

It is not a de Polignac number, because 10112012101091 - 2¹⁰ = 10112012100067 is a prime.

It is a super-2 number, since 2×10112012101091² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112012107091) 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, 44692826 + ... + 44918511.

It is an arithmetic number, because the mean of its divisors is an integer number (2528025456318).

Almost surely, 2^{10112012101091} is an apocalyptic number.

10112012101091 is a deficient number, since it is larger than the sum of its proper divisors (89724181).

10112012101091 is an equidigital number, since it uses as much as digits as its factorization.

10112012101091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89724180.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 10112012101091 its reverse (19010121021101), we get a palindrome (29122133122192).

The spelling of 10112012101091 in words is "ten trillion, one hundred twelve billion, twelve million, one hundred one thousand, ninety-one".