1122112100 has 36 divisors (see below), whose sum is σ = 2436604464. Its totient is φ = 448546080.

The previous prime is 1122112099. The next prime is 1122112151. The reversal of 1122112100 is 12112211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205607 + ... + 210993.

Almost surely, 2^1122112100 is an apocalyptic number.

1122112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122112100 is an abundant number, since it is smaller than the sum of its proper divisors (1314492364).

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

1122112100 is a wasteful number, since it uses less digits than its factorization.

1122112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1122112100 is about 33497.9417278137. The cubic root of 1122112100 is about 1039.1512120425.

Adding to 1122112100 its reverse (12112211), we get a palindrome (1134224311).

The spelling of 1122112100 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred".