120101313121 has 2 divisors, whose sum is σ = 120101313122. Its totient is φ = 120101313120.

The previous prime is 120101313107. The next prime is 120101313151. The reversal of 120101313121 is 121313101021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111179566096 + 8921747025 = 333436^2 + 94455^2 .

It is a cyclic number.

It is not a de Polignac number, because 120101313121 - 2⁹ = 120101312609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120101313095 and 120101313104.

It is not a weakly prime, because it can be changed into another prime (120101313151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050656560 + 60050656561.

It is an arithmetic number, because the mean of its divisors is an integer number (60050656561).

Almost surely, 2^120101313121 is an apocalyptic number.

It is an amenable number.

120101313121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101313121 is an equidigital number, since it uses as much as digits as its factorization.

120101313121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 120101313121 its reverse (121313101021), we get a palindrome (241414414142).

The spelling of 120101313121 in words is "one hundred twenty billion, one hundred one million, three hundred thirteen thousand, one hundred twenty-one".