121130133103 has 4 divisors (see below), whose sum is σ = 138434437840. Its totient is φ = 103825828368.

The previous prime is 121130133101. The next prime is 121130133143. The reversal of 121130133103 is 301331031121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301331031121 = 1993 ⋅151194697.

It is a cyclic number.

It is not a de Polignac number, because 121130133103 - 2¹ = 121130133101 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 (121130133101) 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, 8652152358 + ... + 8652152371.

It is an arithmetic number, because the mean of its divisors is an integer number (34608609460).

Almost surely, 2^121130133103 is an apocalyptic number.

121130133103 is a deficient number, since it is larger than the sum of its proper divisors (17304304737).

121130133103 is an equidigital number, since it uses as much as digits as its factorization.

121130133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17304304736.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121130133103 its reverse (301331031121), we get a palindrome (422461164224).

The spelling of 121130133103 in words is "one hundred twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, one hundred three".