121010140106 has 4 divisors (see below), whose sum is σ = 181515210162. Its totient is φ = 60505070052.

The previous prime is 121010140091. The next prime is 121010140133. The reversal of 121010140106 is 601041010121.

121010140106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120854264881 + 155875225 = 347641^2 + 12485^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 30252535025 + ... + 30252535028.

Almost surely, 2^121010140106 is an apocalyptic number.

121010140106 is a deficient number, since it is larger than the sum of its proper divisors (60505070056).

121010140106 is an equidigital number, since it uses as much as digits as its factorization.

121010140106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60505070055.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121010140106 its reverse (601041010121), we get a palindrome (722051150227).

The spelling of 121010140106 in words is "one hundred twenty-one billion, ten million, one hundred forty thousand, one hundred six".