1101820909103 has 4 divisors (see below), whose sum is σ = 1116914346288. Its totient is φ = 1086727471920.

The previous prime is 1101820909087. The next prime is 1101820909109. The reversal of 1101820909103 is 3019090281011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101820909103 - 2⁴ = 1101820909087 is a prime.

It is a super-2 number, since 2×1101820909103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101820909109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7546718483 + ... + 7546718628.

It is an arithmetic number, because the mean of its divisors is an integer number (279228586572).

Almost surely, 2^{1101820909103} is an apocalyptic number.

1101820909103 is a deficient number, since it is larger than the sum of its proper divisors (15093437185).

1101820909103 is an equidigital number, since it uses as much as digits as its factorization.

1101820909103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15093437184.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 1101820909103 in words is "one trillion, one hundred one billion, eight hundred twenty million, nine hundred nine thousand, one hundred three".