1103123021300 has 18 divisors (see below), whose sum is σ = 2393776956438. Its totient is φ = 441249208480.

The previous prime is 1103123021291. The next prime is 1103123021309. The reversal of 1103123021300 is 31203213011.

It is an interprime number because it is at equal distance from previous prime (1103123021291) and next prime (1103123021309).

It can be written as a sum of positive squares in 3 ways, for example, as 17350685284 + 1085772336016 = 131722^2 + 1042004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103123021309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5515615007 + ... + 5515615206.

It is an arithmetic number, because the mean of its divisors is an integer number (132987608691).

Almost surely, 2^{1103123021300} is an apocalyptic number.

1103123021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103123021300 is an abundant number, since it is smaller than the sum of its proper divisors (1290653935138).

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

1103123021300 is a wasteful number, since it uses less digits than its factorization.

1103123021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031230227 (or 11031230220 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1103123021300 its reverse (31203213011), we get a palindrome (1134326234311).

The spelling of 1103123021300 in words is "one trillion, one hundred three billion, one hundred twenty-three million, twenty-one thousand, three hundred".