121600511606 has 32 divisors (see below), whose sum is σ = 212747822400. Its totient is φ = 52105794048.

The previous prime is 121600511519. The next prime is 121600511647. The reversal of 121600511606 is 606115006121.

121600511606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5694806 + ... + 5716118.

It is an arithmetic number, because the mean of its divisors is an integer number (6648369450).

Almost surely, 2^121600511606 is an apocalyptic number.

121600511606 is a deficient number, since it is larger than the sum of its proper divisors (91147310794).

121600511606 is an equidigital number, since it uses as much as digits as its factorization.

121600511606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29653 (or 29639 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 121600511606 its reverse (606115006121), we get a palindrome (727715517727).

The spelling of 121600511606 in words is "one hundred twenty-one billion, six hundred million, five hundred eleven thousand, six hundred six".