121124204310101 has 4 divisors (see below), whose sum is σ = 121126980330732. Its totient is φ = 121121428289472.

The previous prime is 121124204310079. The next prime is 121124204310139. The reversal of 121124204310101 is 101013402421121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110286248979076 + 10837955331025 = 10501726^2 + 3292105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121124204310101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124204310181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387944866 + ... + 1388032131.

It is an arithmetic number, because the mean of its divisors is an integer number (30281745082683).

Almost surely, 2^{121124204310101} is an apocalyptic number.

It is an amenable number.

121124204310101 is a deficient number, since it is larger than the sum of its proper divisors (2776020631).

121124204310101 is an equidigital number, since it uses as much as digits as its factorization.

121124204310101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776020630.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 121124204310101 its reverse (101013402421121), we get a palindrome (222137606731222).

The spelling of 121124204310101 in words is "one hundred twenty-one trillion, one hundred twenty-four billion, two hundred four million, three hundred ten thousand, one hundred one".