1101122112 has 56 divisors (see below), whose sum is σ = 3013862400. Its totient is φ = 354382336.

The previous prime is 1101122107. The next prime is 1101122137. The reversal of 1101122112 is 2112211011.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 93312 + ... + 104447.

Almost surely, 2^1101122112 is an apocalyptic number.

1101122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101122112 is an abundant number, since it is smaller than the sum of its proper divisors (1912740288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101122112 is a wasteful number, since it uses less digits than its factorization.

1101122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197803 (or 197793 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1101122112 is about 33183.1600665157. The cubic root of 1101122112 is about 1032.6310064428.

Adding to 1101122112 its reverse (2112211011), we get a palindrome (3213333123).

The spelling of 1101122112 in words is "one billion, one hundred one million, one hundred twenty-two thousand, one hundred twelve".