2111102012 has 24 divisors (see below), whose sum is σ = 3901516416. Its totient is φ = 997489328.

The previous prime is 2111102011. The next prime is 2111102029. The reversal of 2111102012 is 2102011112.

It is a junction number, because it is equal to n+sod(n) for n = 2111101984 and 2111102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130598 + ... + 145869.

It is an arithmetic number, because the mean of its divisors is an integer number (162563184).

Almost surely, 2^2111102012 is an apocalyptic number.

It is an amenable number.

2111102012 is a deficient number, since it is larger than the sum of its proper divisors (1790414404).

2111102012 is a wasteful number, since it uses less digits than its factorization.

2111102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276577 (or 276575 counting only the distinct ones).

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

The square root of 2111102012 is about 45946.7301556923. The cubic root of 2111102012 is about 1282.8318673735.

Adding to 2111102012 its reverse (2102011112), we get a palindrome (4213113124).

The spelling of 2111102012 in words is "two billion, one hundred eleven million, one hundred two thousand, twelve".