2201212210001 has 4 divisors (see below), whose sum is σ = 2515671097152. Its totient is φ = 1886753322852.

The previous prime is 2201212209949. The next prime is 2201212210007. The reversal of 2201212210001 is 1000122121022.

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 a de Polignac number, because none of the positive numbers 2^k-2201212210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201212210007) 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, 157229443565 + ... + 157229443578.

It is an arithmetic number, because the mean of its divisors is an integer number (628917774288).

Almost surely, 2^{2201212210001} is an apocalyptic number.

It is an amenable number.

2201212210001 is a deficient number, since it is larger than the sum of its proper divisors (314458887151).

2201212210001 is an equidigital number, since it uses as much as digits as its factorization.

2201212210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314458887150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201212210001 its reverse (1000122121022), we get a palindrome (3201334331023).

The spelling of 2201212210001 in words is "two trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, one".