121155304606 has 16 divisors (see below), whose sum is σ = 207711654624. Its totient is φ = 51919490304.

The previous prime is 121155304603. The next prime is 121155304609. The reversal of 121155304606 is 606403551121.

It is an interprime number because it is at equal distance from previous prime (121155304603) and next prime (121155304609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121155304603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168955 + ... + 520438.

It is an arithmetic number, because the mean of its divisors is an integer number (12981978414).

Almost surely, 2^121155304606 is an apocalyptic number.

121155304606 is a deficient number, since it is larger than the sum of its proper divisors (86556350018).

121155304606 is a wasteful number, since it uses less digits than its factorization.

121155304606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701955.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 121155304606 its reverse (606403551121), we get a palindrome (727558855727).

The spelling of 121155304606 in words is "one hundred twenty-one billion, one hundred fifty-five million, three hundred four thousand, six hundred six".