2101340121121 has 8 divisors (see below), whose sum is σ = 2108130668288. Its totient is φ = 2094558102000.

The previous prime is 2101340121079. The next prime is 2101340121203. The reversal of 2101340121121 is 1211210431012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101340121121 - 2¹⁹ = 2101339596833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101340121421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638225 + ... + 2624206.

It is an arithmetic number, because the mean of its divisors is an integer number (263516333536).

Almost surely, 2^{2101340121121} is an apocalyptic number.

It is an amenable number.

2101340121121 is a deficient number, since it is larger than the sum of its proper divisors (6790547167).

2101340121121 is a wasteful number, since it uses less digits than its factorization.

2101340121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264023.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2101340121121 its reverse (1211210431012), we get a palindrome (3312550552133).

The spelling of 2101340121121 in words is "two trillion, one hundred one billion, three hundred forty million, one hundred twenty-one thousand, one hundred twenty-one".