1100120020003 has 4 divisors (see below), whose sum is σ = 1100305762888. Its totient is φ = 1099934277120.

The previous prime is 1100120019983. The next prime is 1100120020009. The reversal of 1100120020003 is 3000200210011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100120020003 is a prime.

It is a super-2 number, since 2×1100120020003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100120020009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92862558 + ... + 92874403.

It is an arithmetic number, because the mean of its divisors is an integer number (275076440722).

Almost surely, 2^{1100120020003} is an apocalyptic number.

1100120020003 is a deficient number, since it is larger than the sum of its proper divisors (185742885).

1100120020003 is an equidigital number, since it uses as much as digits as its factorization.

1100120020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185742884.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1100120020003 its reverse (3000200210011), we get a palindrome (4100320230014).

The spelling of 1100120020003 in words is "one trillion, one hundred billion, one hundred twenty million, twenty thousand, three".