10111020011 has 4 divisors (see below), whose sum is σ = 10705785912. Its totient is φ = 9516254112.

The previous prime is 10111020001. The next prime is 10111020013. The reversal of 10111020011 is 11002011101.

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: 11002011101 = 139 ⋅79151159.

It is a cyclic number.

It is not a de Polignac number, because 10111020011 - 2¹⁰ = 10111018987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111020013) 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, 297382925 + ... + 297382958.

It is an arithmetic number, because the mean of its divisors is an integer number (2676446478).

Almost surely, 2^10111020011 is an apocalyptic number.

10111020011 is a deficient number, since it is larger than the sum of its proper divisors (594765901).

10111020011 is an equidigital number, since it uses as much as digits as its factorization.

10111020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594765900.

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

Adding to 10111020011 its reverse (11002011101), we get a palindrome (21113031112).

It can be divided in two parts, 101110 and 20011, that added together give a palindrome (121121).

The spelling of 10111020011 in words is "ten billion, one hundred eleven million, twenty thousand, eleven".