1121110011000 has 256 divisors, whose sum is σ = 4441731840000. Its totient is φ = 256253673600.

The previous prime is 1121110010981. The next prime is 1121110011011. The reversal of 1121110011000 is 1100111211.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2776900 + ... + 3154899.

It is an arithmetic number, because the mean of its divisors is an integer number (17350515000).

Almost surely, 2^{1121110011000} is an apocalyptic number.

1121110011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121110011000 is an abundant number, since it is smaller than the sum of its proper divisors (3320621829000).

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

1121110011000 is a wasteful number, since it uses less digits than its factorization.

1121110011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931836 (or 5931816 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1121110011000 its reverse (1100111211), we get a palindrome (1122210122211).

The spelling of 1121110011000 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, eleven thousand".