2120101001201 has 4 divisors (see below), whose sum is σ = 2120104775652. Its totient is φ = 2120097226752.

The previous prime is 2120101001191. The next prime is 2120101001203. The reversal of 2120101001201 is 1021001010212.

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 1184344652176 + 935756349025 = 1088276^2 + 967345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120101001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120101001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857336 + ... + 2230521.

It is an arithmetic number, because the mean of its divisors is an integer number (530026193913).

Almost surely, 2^{2120101001201} is an apocalyptic number.

It is an amenable number.

2120101001201 is a deficient number, since it is larger than the sum of its proper divisors (3774451).

2120101001201 is an equidigital number, since it uses as much as digits as its factorization.

2120101001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2120101001201 its reverse (1021001010212), we get a palindrome (3141102011413).

The spelling of 2120101001201 in words is "two trillion, one hundred twenty billion, one hundred one million, one thousand, two hundred one".