1112122100 has 36 divisors (see below), whose sum is σ = 2415535500. Its totient is φ = 444437760.

The previous prime is 1112122091. The next prime is 1112122103. The reversal of 1112122100 is 12212111.

It can be written as a sum of positive squares in 6 ways, for example, as 148888804 + 963233296 = 12202^2 + 31036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 118376 + ... + 127424.

Almost surely, 2^1112122100 is an apocalyptic number.

1112122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112122100 is an abundant number, since it is smaller than the sum of its proper divisors (1303413400).

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

1112122100 is a wasteful number, since it uses less digits than its factorization.

1112122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292 (or 10285 counting only the distinct ones).

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

The square root of 1112122100 is about 33348.4947186526. The cubic root of 1112122100 is about 1036.0582111764.

Adding to 1112122100 its reverse (12212111), we get a palindrome (1124334211).

The spelling of 1112122100 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred".