121012311321107 has 2 divisors, whose sum is σ = 121012311321108. Its totient is φ = 121012311321106.

The previous prime is 121012311321101. The next prime is 121012311321193. The reversal of 121012311321107 is 701123113210121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121012311321107 - 2⁴ = 121012311321091 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012311321101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506155660553 + 60506155660554.

It is an arithmetic number, because the mean of its divisors is an integer number (60506155660554).

Almost surely, 2^{121012311321107} is an apocalyptic number.

121012311321107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012311321107 is an equidigital number, since it uses as much as digits as its factorization.

121012311321107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 121012311321107 its reverse (701123113210121), we get a palindrome (822135424531228).

The spelling of 121012311321107 in words is "one hundred twenty-one trillion, twelve billion, three hundred eleven million, three hundred twenty-one thousand, one hundred seven".