1121100102000 has 200 divisors, whose sum is σ = 4049497198032. Its totient is φ = 298959984000.

The previous prime is 1121100101983. The next prime is 1121100102047. The reversal of 1121100102000 is 2010011211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3298186 + ... + 3622185.

Almost surely, 2^{1121100102000} is an apocalyptic number.

1121100102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121100102000 is an abundant number, since it is smaller than the sum of its proper divisors (2928397096032).

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

1121100102000 is an equidigital number, since it uses as much as digits as its factorization.

1121100102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920406 (or 6920381 counting only the distinct ones).

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

Adding to 1121100102000 its reverse (2010011211), we get a palindrome (1123110113211).

The spelling of 1121100102000 in words is "one trillion, one hundred twenty-one billion, one hundred million, one hundred two thousand".