1012111111112 has 64 divisors (see below), whose sum is σ = 2034651571200. Its totient is φ = 470585263680.

The previous prime is 1012111111111. The next prime is 1012111111157. The reversal of 1012111111112 is 2111111112101.

It is not an unprimeable number, because it can be changed into a prime (1012111111111) 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, 2243213 + ... + 2656355.

It is an arithmetic number, because the mean of its divisors is an integer number (31791430800).

Almost surely, 2^{1012111111112} is an apocalyptic number.

It is an amenable number.

1012111111112 is an abundant number, since it is smaller than the sum of its proper divisors (1022540460088).

1012111111112 is a wasteful number, since it uses less digits than its factorization.

1012111111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413466 (or 413462 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1012111111112 its reverse (2111111112101), we get a palindrome (3123222223213).

It can be divided in two parts, 101 and 2111111112, that multiplied together give a palindrome (213222222312).

The spelling of 1012111111112 in words is "one trillion, twelve billion, one hundred eleven million, one hundred eleven thousand, one hundred twelve".