2120200010101 has 4 divisors (see below), whose sum is σ = 2244917657772. Its totient is φ = 1995482362432.

The previous prime is 2120200010087. The next prime is 2120200010119. The reversal of 2120200010101 is 1010100020212.

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 1104025127076 + 1016174883025 = 1050726^2 + 1008055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120200010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121200010101) 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, 62358823810 + ... + 62358823843.

It is an arithmetic number, because the mean of its divisors is an integer number (561229414443).

Almost surely, 2^{2120200010101} is an apocalyptic number.

It is an amenable number.

2120200010101 is a deficient number, since it is larger than the sum of its proper divisors (124717647671).

2120200010101 is a wasteful number, since it uses less digits than its factorization.

2120200010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124717647670.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2120200010101 its reverse (1010100020212), we get a palindrome (3130300030313).

The spelling of 2120200010101 in words is "two trillion, one hundred twenty billion, two hundred million, ten thousand, one hundred one".