1122112100100 has 36 divisors (see below), whose sum is σ = 3246644343824. Its totient is φ = 299229893280.

The previous prime is 1122112100047. The next prime is 1122112100113. The reversal of 1122112100100 is 10012112211.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870186534 + ... + 1870187133.

Almost surely, 2^{1122112100100} is an apocalyptic number.

1122112100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122112100100 is an abundant number, since it is smaller than the sum of its proper divisors (2124532243724).

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

1122112100100 is a wasteful number, since it uses less digits than its factorization.

1122112100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740373684 (or 3740373677 counting only the distinct ones).

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

Adding to 1122112100100 its reverse (10012112211), we get a palindrome (1132124212311).

The spelling of 1122112100100 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred thousand, one hundred".