1103121203102 has 4 divisors (see below), whose sum is σ = 1654681804656. Its totient is φ = 551560601550.

The previous prime is 1103121203099. The next prime is 1103121203111. The reversal of 1103121203102 is 2013021213011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275780300774 + ... + 275780300777.

It is an arithmetic number, because the mean of its divisors is an integer number (413670451164).

Almost surely, 2^{1103121203102} is an apocalyptic number.

1103121203102 is a deficient number, since it is larger than the sum of its proper divisors (551560601554).

1103121203102 is an equidigital number, since it uses as much as digits as its factorization.

1103121203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551560601553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1103121203102 its reverse (2013021213011), we get a palindrome (3116142416113).

Subtracting 1103121203102 from its reverse (2013021213011), we obtain a palindrome (909900009909).

The spelling of 1103121203102 in words is "one trillion, one hundred three billion, one hundred twenty-one million, two hundred three thousand, one hundred two".