121337278106 has 16 divisors (see below), whose sum is σ = 198956310048. Its totient is φ = 55040974800.

The previous prime is 121337278063. The next prime is 121337278141. The reversal of 121337278106 is 601872733121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605625 + ... + 5627228.

It is an arithmetic number, because the mean of its divisors is an integer number (12434769378).

Almost surely, 2^121337278106 is an apocalyptic number.

121337278106 is a deficient number, since it is larger than the sum of its proper divisors (77619031942).

121337278106 is a wasteful number, since it uses less digits than its factorization.

121337278106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233357.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 121337278106 in words is "one hundred twenty-one billion, three hundred thirty-seven million, two hundred seventy-eight thousand, one hundred six".