121010107 has 16 divisors (see below), whose sum is σ = 134933760. Its totient is φ = 107993952.

The previous prime is 121010083. The next prime is 121010117. The reversal of 121010107 is 701010121.

It is a cyclic number.

It is not a de Polignac number, because 121010107 - 2¹⁹ = 120485819 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27213 + ... + 31345.

It is an arithmetic number, because the mean of its divisors is an integer number (8433360).

Almost surely, 2^121010107 is an apocalyptic number.

121010107 is a deficient number, since it is larger than the sum of its proper divisors (13923653).

121010107 is a wasteful number, since it uses less digits than its factorization.

121010107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 121010107 is about 11000.4593994978. The cubic root of 121010107 is about 494.6225153205.

Adding to 121010107 its product of nonzero digits (14), we get a palindrome (121010121).

Adding to 121010107 its reverse (701010121), we get a palindrome (822020228).

The spelling of 121010107 in words is "one hundred twenty-one million, ten thousand, one hundred seven".