1121122441100 has 36 divisors (see below), whose sum is σ = 2436596016624. Its totient is φ = 447755830080.

The previous prime is 1121122441091. The next prime is 1121122441123. The reversal of 1121122441100 is 11442211211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8599307 + ... + 8728706.

It is an arithmetic number, because the mean of its divisors is an integer number (67683222684).

Almost surely, 2^{1121122441100} is an apocalyptic number.

1121122441100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121122441100 is an abundant number, since it is smaller than the sum of its proper divisors (1315473575524).

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

1121122441100 is a wasteful number, since it uses less digits than its factorization.

1121122441100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328674 (or 17328667 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1121122441100 its reverse (11442211211), we get a palindrome (1132564652311).

The spelling of 1121122441100 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, four hundred forty-one thousand, one hundred".