121103123148 has 36 divisors (see below), whose sum is σ = 349853467600. Its totient is φ = 34600892256.

The previous prime is 121103123147. The next prime is 121103123291. The reversal of 121103123148 is 841321301121.

121103123148 is a `hidden beast` number, since 1 + 21 + 10 + 312 + 314 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (121103123147) 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, 240283723 + ... + 240284226.

Almost surely, 2^121103123148 is an apocalyptic number.

121103123148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121103123148 is an abundant number, since it is smaller than the sum of its proper divisors (228750344452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121103123148 is a wasteful number, since it uses less digits than its factorization.

121103123148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480567966 (or 480567961 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 121103123148 its reverse (841321301121), we get a palindrome (962424424269).

The spelling of 121103123148 in words is "one hundred twenty-one billion, one hundred three million, one hundred twenty-three thousand, one hundred forty-eight".