1121152343100 has 72 divisors (see below), whose sum is σ = 3322986200688. Its totient is φ = 291681907200.

The previous prime is 1121152343099. The next prime is 1121152343147. The reversal of 1121152343100 is 13432511211.

It is a super-2 number, since 2×1121152343100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 45562999 + ... + 45587598.

Almost surely, 2^{1121152343100} is an apocalyptic number.

1121152343100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121152343100 is an abundant number, since it is smaller than the sum of its proper divisors (2201833857588).

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

1121152343100 is a wasteful number, since it uses less digits than its factorization.

1121152343100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91150655 (or 91150648 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 1121152343100 its reverse (13432511211), we get a palindrome (1134584854311).

The spelling of 1121152343100 in words is "one trillion, one hundred twenty-one billion, one hundred fifty-two million, three hundred forty-three thousand, one hundred".