3111212121229 has 16 divisors (see below), whose sum is σ = 3199677997824. Its totient is φ = 3023348790400.

The previous prime is 3111212121209. The next prime is 3111212121247. The reversal of 3111212121229 is 9221212121113.

3111212121229 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 3111212121229 - 2¹¹ = 3111212119181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111212121197 and 3111212121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111212121209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93720024 + ... + 93753214.

It is an arithmetic number, because the mean of its divisors is an integer number (199979874864).

Almost surely, 2^{3111212121229} is an apocalyptic number.

It is an amenable number.

3111212121229 is a deficient number, since it is larger than the sum of its proper divisors (88465876595).

3111212121229 is a wasteful number, since it uses less digits than its factorization.

3111212121229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42188.

The product of its digits is 864, while the sum is 28.

The spelling of 3111212121229 in words is "three trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-nine".