1131022441100 has 72 divisors (see below), whose sum is σ = 2585001997200. Its totient is φ = 428347699200.

The previous prime is 1131022441069. The next prime is 1131022441103. The reversal of 1131022441100 is 11442201311.

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

It is not an unprimeable number, because it can be changed into a prime (1131022441103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3096956 + ... + 3442844.

Almost surely, 2^{1131022441100} is an apocalyptic number.

1131022441100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131022441100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292500998600).

1131022441100 is an abundant number, since it is smaller than the sum of its proper divisors (1453979556100).

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

1131022441100 is a wasteful number, since it uses less digits than its factorization.

1131022441100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347643 (or 347636 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1131022441100 its reverse (11442201311), we get a palindrome (1142464642411).

The spelling of 1131022441100 in words is "one trillion, one hundred thirty-one billion, twenty-two million, four hundred forty-one thousand, one hundred".