121120101200101 has 2 divisors, whose sum is σ = 121120101200102. Its totient is φ = 121120101200100.

The previous prime is 121120101200071. The next prime is 121120101200123. The reversal of 121120101200101 is 101002101021121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84720960951201 + 36399140248900 = 9204399^2 + 6033170^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120101200101 - 2⁷ = 121120101199973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120101204101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560050600050 + 60560050600051.

It is an arithmetic number, because the mean of its divisors is an integer number (60560050600051).

Almost surely, 2^{121120101200101} is an apocalyptic number.

It is an amenable number.

121120101200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120101200101 is an equidigital number, since it uses as much as digits as its factorization.

121120101200101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121120101200101 its reverse (101002101021121), we get a palindrome (222122202221222).

The spelling of 121120101200101 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred one million, two hundred thousand, one hundred one".