2112201100201 has 4 divisors (see below), whose sum is σ = 2112211837072. Its totient is φ = 2112190363332.

The previous prime is 2112201100127. The next prime is 2112201100279. The reversal of 2112201100201 is 1020011022112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112201100201 - 2¹⁵ = 2112201067433 is a prime.

It is a super-2 number, since 2×2112201100201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112231100201) 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, 5067735 + ... + 5468668.

It is an arithmetic number, because the mean of its divisors is an integer number (528052959268).

Almost surely, 2^{2112201100201} is an apocalyptic number.

It is an amenable number.

2112201100201 is a deficient number, since it is larger than the sum of its proper divisors (10736871).

2112201100201 is a wasteful number, since it uses less digits than its factorization.

2112201100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736870.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112201100201 its reverse (1020011022112), we get a palindrome (3132212122313).

The spelling of 2112201100201 in words is "two trillion, one hundred twelve billion, two hundred one million, one hundred thousand, two hundred one".