1012102221112 has 32 divisors (see below), whose sum is σ = 1937551628880. Its totient is φ = 495529699840.

The previous prime is 1012102221083. The next prime is 1012102221113. The reversal of 1012102221112 is 2111222012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012102221113) 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, 6669439 + ... + 6819502.

Almost surely, 2^{1012102221112} is an apocalyptic number.

It is an amenable number.

1012102221112 is a deficient number, since it is larger than the sum of its proper divisors (925449407768).

1012102221112 is a wasteful number, since it uses less digits than its factorization.

1012102221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489143 (or 13489139 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012102221112 its reverse (2111222012101), we get a palindrome (3123324233213).

The spelling of 1012102221112 in words is "one trillion, twelve billion, one hundred two million, two hundred twenty-one thousand, one hundred twelve".