1103121023232 has 72 divisors (see below), whose sum is σ = 2936326105440. Its totient is φ = 367654973440.

The previous prime is 1103121023231. The next prime is 1103121023273. The reversal of 1103121023232 is 2323201213011.

It is a junction number, because it is equal to n+sod(n) for n = 1103121023199 and 1103121023208.

It is not an unprimeable number, because it can be changed into a prime (1103121023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5532244 + ... + 5728172.

It is an arithmetic number, because the mean of its divisors is an integer number (40782307020).

Almost surely, 2^{1103121023232} is an apocalyptic number.

1103121023232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103121023232 is an abundant number, since it is smaller than the sum of its proper divisors (1833205082208).

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

1103121023232 is an equidigital number, since it uses as much as digits as its factorization.

1103121023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203279 (or 203265 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103121023232 its reverse (2323201213011), we get a palindrome (3426322236243).

The spelling of 1103121023232 in words is "one trillion, one hundred three billion, one hundred twenty-one million, twenty-three thousand, two hundred thirty-two".