121272710103 has 6 divisors (see below), whose sum is σ = 175171692384. Its totient is φ = 80848473396.

The previous prime is 121272710077. The next prime is 121272710129. The reversal of 121272710103 is 301017272121.

It is an interprime number because it is at equal distance from previous prime (121272710077) and next prime (121272710129).

It is not a de Polignac number, because 121272710103 - 2²⁰ = 121271661527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121272710173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6737372775 + ... + 6737372792.

It is an arithmetic number, because the mean of its divisors is an integer number (29195282064).

Almost surely, 2^121272710103 is an apocalyptic number.

121272710103 is a deficient number, since it is larger than the sum of its proper divisors (53898982281).

121272710103 is a wasteful number, since it uses less digits than its factorization.

121272710103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13474745573 (or 13474745570 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 121272710103 its reverse (301017272121), we get a palindrome (422289982224).

The spelling of 121272710103 in words is "one hundred twenty-one billion, two hundred seventy-two million, seven hundred ten thousand, one hundred three".