1101211222112 has 24 divisors (see below), whose sum is σ = 2168033238000. Its totient is φ = 550599606144.

The previous prime is 1101211222099. The next prime is 1101211222129. The reversal of 1101211222112 is 2112221121011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4991189 + ... + 5207147.

It is an arithmetic number, because the mean of its divisors is an integer number (90334718250).

Almost surely, 2^{1101211222112} is an apocalyptic number.

It is an amenable number.

1101211222112 is a deficient number, since it is larger than the sum of its proper divisors (1066822015888).

1101211222112 is a wasteful number, since it uses less digits than its factorization.

1101211222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375318 (or 375310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1101211222112 its reverse (2112221121011), we get a palindrome (3213432343123).

The spelling of 1101211222112 in words is "one trillion, one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".