1121204140100 has 36 divisors (see below), whose sum is σ = 2654195985168. Its totient is φ = 407710596000.

The previous prime is 1121204140057. The next prime is 1121204140129. The reversal of 1121204140100 is 10414021211.

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, 509637146 + ... + 509639345.

Almost surely, 2^{1121204140100} is an apocalyptic number.

1121204140100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121204140100 is an abundant number, since it is smaller than the sum of its proper divisors (1532991845068).

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

1121204140100 is a wasteful number, since it uses less digits than its factorization.

1121204140100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019276516 (or 1019276509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121204140100 its reverse (10414021211), we get a palindrome (1131618161311).

The spelling of 1121204140100 in words is "one trillion, one hundred twenty-one billion, two hundred four million, one hundred forty thousand, one hundred".