1100122221112 has 16 divisors (see below), whose sum is σ = 2067515085600. Its totient is φ = 548784864960.

The previous prime is 1100122221103. The next prime is 1100122221113. The reversal of 1100122221112 is 2111222210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100122221113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159527037 + ... + 159533932.

It is an arithmetic number, because the mean of its divisors is an integer number (129219692850).

Almost surely, 2^{1100122221112} is an apocalyptic number.

It is an amenable number.

1100122221112 is a deficient number, since it is larger than the sum of its proper divisors (967392864488).

1100122221112 is a wasteful number, since it uses less digits than its factorization.

1100122221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319061406 (or 319061402 counting only the distinct ones).

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

Adding to 1100122221112 its reverse (2111222210011), we get a palindrome (3211344431123).

The spelling of 1100122221112 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".