121102223212103 has 4 divisors (see below), whose sum is σ = 138402540813840. Its totient is φ = 103801905610368.

The previous prime is 121102223212081. The next prime is 121102223212127. The reversal of 121102223212103 is 301212322201121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121102223212103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102223212163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8650158800858 + ... + 8650158800871.

It is an arithmetic number, because the mean of its divisors is an integer number (34600635203460).

Almost surely, 2^{121102223212103} is an apocalyptic number.

121102223212103 is a deficient number, since it is larger than the sum of its proper divisors (17300317601737).

121102223212103 is an equidigital number, since it uses as much as digits as its factorization.

121102223212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17300317601736.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121102223212103 its reverse (301212322201121), we get a palindrome (422314545413224).

The spelling of 121102223212103 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-three million, two hundred twelve thousand, one hundred three".