148711812121 has 4 divisors (see below), whose sum is σ = 148720995072. Its totient is φ = 148702629172.

The previous prime is 148711812083. The next prime is 148711812127. The reversal of 148711812121 is 121218117841.

148711812121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148711812121 - 2⁹ = 148711811609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148711812127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567141 + ... + 4599586.

It is an arithmetic number, because the mean of its divisors is an integer number (37180248768).

Almost surely, 2^148711812121 is an apocalyptic number.

It is an amenable number.

148711812121 is a deficient number, since it is larger than the sum of its proper divisors (9182951).

148711812121 is an equidigital number, since it uses as much as digits as its factorization.

148711812121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182950.

The product of its digits is 7168, while the sum is 37.

Adding to 148711812121 its reverse (121218117841), we get a palindrome (269929929962).

The spelling of 148711812121 in words is "one hundred forty-eight billion, seven hundred eleven million, eight hundred twelve thousand, one hundred twenty-one".