10112211091 has 4 divisors (see below), whose sum is σ = 10116356184. Its totient is φ = 10108066000.

The previous prime is 10112211089. The next prime is 10112211101. The reversal of 10112211091 is 19011221101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19011221101 = 1451 ⋅13102151.

It is a cyclic number.

It is not a de Polignac number, because 10112211091 - 2¹ = 10112211089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112241091) 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, 2068885 + ... + 2073766.

It is an arithmetic number, because the mean of its divisors is an integer number (2529089046).

Almost surely, 2^10112211091 is an apocalyptic number.

10112211091 is a deficient number, since it is larger than the sum of its proper divisors (4145093).

10112211091 is an equidigital number, since it uses as much as digits as its factorization.

10112211091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145092.

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

Adding to 10112211091 its reverse (19011221101), we get a palindrome (29123432192).

The spelling of 10112211091 in words is "ten billion, one hundred twelve million, two hundred eleven thousand, ninety-one".