10111002011 has 4 divisors (see below), whose sum is σ = 11030184024. Its totient is φ = 9191820000.

The previous prime is 10111002001. The next prime is 10111002029. The reversal of 10111002011 is 11020011101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11020011101 = 11 ⋅1001819191.

It is not a de Polignac number, because 10111002011 - 2¹⁸ = 10110739867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111002011.

It is not an unprimeable number, because it can be changed into a prime (10111002001) 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, 459590990 + ... + 459591011.

It is an arithmetic number, because the mean of its divisors is an integer number (2757546006).

Almost surely, 2^10111002011 is an apocalyptic number.

10111002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10111002011 is a deficient number, since it is larger than the sum of its proper divisors (919182013).

10111002011 is an equidigital number, since it uses as much as digits as its factorization.

10111002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919182012.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10111002011 its reverse (11020011101), we get a palindrome (21131013112).

The spelling of 10111002011 in words is "ten billion, one hundred eleven million, two thousand, eleven".