2012102111 has 8 divisors (see below), whose sum is σ = 2022462000. Its totient is φ = 2001769600.

The previous prime is 2012102083. The next prime is 2012102117. The reversal of 2012102111 is 1112012102.

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 2012102111 - 2⁶ = 2012102047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012102092 and 2012102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012102117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149540 + ... + 162438.

It is an arithmetic number, because the mean of its divisors is an integer number (252807750).

Almost surely, 2^2012102111 is an apocalyptic number.

2012102111 is a deficient number, since it is larger than the sum of its proper divisors (10359889).

2012102111 is a wasteful number, since it uses less digits than its factorization.

2012102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2012102111 is about 44856.4611956851. The cubic root of 2012102111 is about 1262.4572253063.

Adding to 2012102111 its reverse (1112012102), we get a palindrome (3124114213).

Subtracting from 2012102111 its reverse (1112012102), we obtain a palindrome (900090009).

It can be divided in two parts, 2012102 and 111, that multiplied together give a palindrome (223343322).

The spelling of 2012102111 in words is "two billion, twelve million, one hundred two thousand, one hundred eleven".