1103121423200 has 72 divisors (see below), whose sum is σ = 2693586974400. Its totient is φ = 441151603200.

The previous prime is 1103121423191. The next prime is 1103121423221. The reversal of 1103121423200 is 23241213011.

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

It is a congruent number.

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, 3547601 + ... + 3845999.

It is an arithmetic number, because the mean of its divisors is an integer number (37410930200).

Almost surely, 2^{1103121423200} is an apocalyptic number.

1103121423200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103121423200 is an abundant number, since it is smaller than the sum of its proper divisors (1590465551200).

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

1103121423200 is a wasteful number, since it uses less digits than its factorization.

1103121423200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303040 (or 303027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1103121423200 its reverse (23241213011), we get a palindrome (1126362636211).

The spelling of 1103121423200 in words is "one trillion, one hundred three billion, one hundred twenty-one million, four hundred twenty-three thousand, two hundred".