121511152346106 has 16 divisors (see below), whose sum is σ = 243053172601344. Its totient is φ = 40498572797184.

The previous prime is 121511152346083. The next prime is 121511152346123. The reversal of 121511152346106 is 601643251115121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286111706 + ... + 1286206181.

It is an arithmetic number, because the mean of its divisors is an integer number (15190823287584).

Almost surely, 2^{121511152346106} is an apocalyptic number.

121511152346106 is an abundant number, since it is smaller than the sum of its proper divisors (121542020255238).

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

121511152346106 is a wasteful number, since it uses less digits than its factorization.

121511152346106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572325765.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 121511152346106 in words is "one hundred twenty-one trillion, five hundred eleven billion, one hundred fifty-two million, three hundred forty-six thousand, one hundred six".