1101121212112 has 40 divisors (see below), whose sum is σ = 2178997785216. Its totient is φ = 538801176576.

The previous prime is 1101121212067. The next prime is 1101121212161. The reversal of 1101121212112 is 2112121211011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9956383 + ... + 10066369.

Almost surely, 2^{1101121212112} is an apocalyptic number.

It is an amenable number.

1101121212112 is a deficient number, since it is larger than the sum of its proper divisors (1077876573104).

1101121212112 is a wasteful number, since it uses less digits than its factorization.

1101121212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123355 (or 123349 counting only the distinct ones).

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

Adding to 1101121212112 its reverse (2112121211011), we get a palindrome (3213242423123).

The spelling of 1101121212112 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twelve".