121002111107 has 2 divisors, whose sum is σ = 121002111108. Its totient is φ = 121002111106.

The previous prime is 121002111089. The next prime is 121002111127. The reversal of 121002111107 is 701111200121.

It is a weak prime.

It is an emirp because it is prime and its reverse (701111200121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121002111107 - 2⁸ = 121002110851 is a prime.

It is not a weakly prime, because it can be changed into another prime (121002111127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501055553 + 60501055554.

It is an arithmetic number, because the mean of its divisors is an integer number (60501055554).

Almost surely, 2^121002111107 is an apocalyptic number.

121002111107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002111107 is an equidigital number, since it uses as much as digits as its factorization.

121002111107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 121002111107 its reverse (701111200121), we get a palindrome (822113311228).

The spelling of 121002111107 in words is "one hundred twenty-one billion, two million, one hundred eleven thousand, one hundred seven".