1103111112000 has 112 divisors (see below), whose sum is σ = 3642472971072. Its totient is φ = 294162956800.

The previous prime is 1103111111953. The next prime is 1103111112017. The reversal of 1103111112000 is 2111113011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22957482 + ... + 23005481.

Almost surely, 2^{1103111112000} is an apocalyptic number.

1103111112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103111112000 is an abundant number, since it is smaller than the sum of its proper divisors (2539361859072).

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

1103111112000 is an equidigital number, since it uses as much as digits as its factorization.

1103111112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45962993 (or 45962973 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1103111112000 its reverse (2111113011), we get a palindrome (1105222225011).

The spelling of 1103111112000 in words is "one trillion, one hundred three billion, one hundred eleven million, one hundred twelve thousand".