121361351133 has 48 divisors (see below), whose sum is σ = 184422268800. Its totient is φ = 70851580800.

The previous prime is 121361351113. The next prime is 121361351159. The reversal of 121361351133 is 331153163121.

It is not a de Polignac number, because 121361351133 - 2⁵ = 121361351101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121361351133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121361351113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4608223 + ... + 4634483.

It is an arithmetic number, because the mean of its divisors is an integer number (3842130600).

Almost surely, 2^121361351133 is an apocalyptic number.

It is an amenable number.

121361351133 is a deficient number, since it is larger than the sum of its proper divisors (63060917667).

121361351133 is a wasteful number, since it uses less digits than its factorization.

121361351133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26754 (or 26743 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The spelling of 121361351133 in words is "one hundred twenty-one billion, three hundred sixty-one million, three hundred fifty-one thousand, one hundred thirty-three".