121102100013203 has 12 divisors (see below), whose sum is σ = 127838363736528. Its totient is φ = 114704063575920.

The previous prime is 121102100013199. The next prime is 121102100013253. The reversal of 121102100013203 is 302310001201121.

It is not a de Polignac number, because 121102100013203 - 2² = 121102100013199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102100013253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33730103 + ... + 37147328.

It is an arithmetic number, because the mean of its divisors is an integer number (10653196978044).

Almost surely, 2^{121102100013203} is an apocalyptic number.

121102100013203 is a deficient number, since it is larger than the sum of its proper divisors (6736263723325).

121102100013203 is an equidigital number, since it uses as much as digits as its factorization.

121102100013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70882202 (or 70882183 counting only the distinct ones).

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

Adding to 121102100013203 its reverse (302310001201121), we get a palindrome (423412101214324).

The spelling of 121102100013203 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred million, thirteen thousand, two hundred three".