2012111110 has 64 divisors (see below), whose sum is σ = 3808995840. Its totient is φ = 764375040.

The previous prime is 2012111107. The next prime is 2012111111. The reversal of 2012111110 is 111112102.

It is a super-2 number, since 2×2012111110² = 8097182237970864200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012111111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6428314 + ... + 6428626.

It is an arithmetic number, because the mean of its divisors is an integer number (59515560).

Almost surely, 2^2012111110 is an apocalyptic number.

2012111110 is a deficient number, since it is larger than the sum of its proper divisors (1796884730).

2012111110 is a wasteful number, since it uses less digits than its factorization.

2012111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2012111110 is about 44856.5615044221. The cubic root of 2012111110 is about 1262.4591073903.

Adding to 2012111110 its reverse (111112102), we get a palindrome (2123223212).

The spelling of 2012111110 in words is "two billion, twelve million, one hundred eleven thousand, one hundred ten".