12101011022011 has 32 divisors (see below), whose sum is σ = 12755140992000. Its totient is φ = 11469083528448.

The previous prime is 12101011021963. The next prime is 12101011022021. The reversal of 12101011022011 is 11022011010121.

It is a happy number.

12101011022011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12101011022011 - 2²³ = 12101002633403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101011021982 and 12101011022000.

It is not an unprimeable number, because it can be changed into a prime (12101011022021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140201141 + ... + 1140211753.

It is an arithmetic number, because the mean of its divisors is an integer number (398598156000).

Almost surely, 2^{12101011022011} is an apocalyptic number.

12101011022011 is a deficient number, since it is larger than the sum of its proper divisors (654129969989).

12101011022011 is a wasteful number, since it uses less digits than its factorization.

12101011022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16483.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101011022011 its reverse (11022011010121), we get a palindrome (23123022032132).

The spelling of 12101011022011 in words is "twelve trillion, one hundred one billion, eleven million, twenty-two thousand, eleven".