1100100112002 has 48 divisors (see below), whose sum is σ = 2405961317760. Its totient is φ = 363253701600.

The previous prime is 1100100111991. The next prime is 1100100112099. The reversal of 1100100112002 is 2002110010011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8946477 + ... + 9068607.

It is an arithmetic number, because the mean of its divisors is an integer number (50124194120).

Almost surely, 2^{1100100112002} is an apocalyptic number.

1100100112002 is an abundant number, since it is smaller than the sum of its proper divisors (1305861205758).

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

1100100112002 is a wasteful number, since it uses less digits than its factorization.

1100100112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126839 (or 126836 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100100112002 its reverse (2002110010011), we get a palindrome (3102210122013).

It can be divided in two parts, 110010011 and 2002, that multiplied together give a palindrome (220240042022).

The spelling of 1100100112002 in words is "one trillion, one hundred billion, one hundred million, one hundred twelve thousand, two".