121103130101 has 4 divisors (see below), whose sum is σ = 121139820204. Its totient is φ = 121066440000.

The previous prime is 121103130077. The next prime is 121103130133. The reversal of 121103130101 is 101031301121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28653687076 + 92449443025 = 169274^2 + 304055^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103130101 - 2²⁶ = 121036021237 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 (121103130191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18340100 + ... + 18346701.

It is an arithmetic number, because the mean of its divisors is an integer number (30284955051).

Almost surely, 2^121103130101 is an apocalyptic number.

It is an amenable number.

121103130101 is a deficient number, since it is larger than the sum of its proper divisors (36690103).

121103130101 is an equidigital number, since it uses as much as digits as its factorization.

121103130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36690102.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121103130101 its reverse (101031301121), we get a palindrome (222134431222).

The spelling of 121103130101 in words is "one hundred twenty-one billion, one hundred three million, one hundred thirty thousand, one hundred one".