12111020220011 has 8 divisors (see below), whose sum is σ = 12118632076800. Its totient is φ = 12103409285352.

The previous prime is 12111020219981. The next prime is 12111020220031. The reversal of 12111020220011 is 11002202011121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111020220011 - 2³⁰ = 12109946478187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111020220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27056126 + ... + 27500108.

It is an arithmetic number, because the mean of its divisors is an integer number (1514829009600).

Almost surely, 2^{12111020220011} is an apocalyptic number.

12111020220011 is a deficient number, since it is larger than the sum of its proper divisors (7611856789).

12111020220011 is a wasteful number, since it uses less digits than its factorization.

12111020220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461065.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12111020220011 its reverse (11002202011121), we get a palindrome (23113222231132).

The spelling of 12111020220011 in words is "twelve trillion, one hundred eleven billion, twenty million, two hundred twenty thousand, eleven".