1103121023198 has 4 divisors (see below), whose sum is σ = 1654681534800. Its totient is φ = 551560511598.

The previous prime is 1103121023197. The next prime is 1103121023231. The reversal of 1103121023198 is 8913201213011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103121023197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275780255798 + ... + 275780255801.

It is an arithmetic number, because the mean of its divisors is an integer number (413670383700).

Almost surely, 2^{1103121023198} is an apocalyptic number.

1103121023198 is a deficient number, since it is larger than the sum of its proper divisors (551560511602).

1103121023198 is an equidigital number, since it uses as much as digits as its factorization.

1103121023198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551560511601.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 1103121023198 in words is "one trillion, one hundred three billion, one hundred twenty-one million, twenty-three thousand, one hundred ninety-eight".