212202002201 has 4 divisors (see below), whose sum is σ = 242516573952. Its totient is φ = 181887430452.

The previous prime is 212202002191. The next prime is 212202002219. The reversal of 212202002201 is 102200202212.

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 not a de Polignac number, because 212202002201 - 2⁶ = 212202002137 is a prime.

It is a super-2 number, since 2×212202002201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212202002261) 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, 15157285865 + ... + 15157285878.

It is an arithmetic number, because the mean of its divisors is an integer number (60629143488).

Almost surely, 2^212202002201 is an apocalyptic number.

It is an amenable number.

212202002201 is a deficient number, since it is larger than the sum of its proper divisors (30314571751).

212202002201 is an equidigital number, since it uses as much as digits as its factorization.

212202002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314571750.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212202002201 its reverse (102200202212), we get a palindrome (314402204413).

The spelling of 212202002201 in words is "two hundred twelve billion, two hundred two million, two thousand, two hundred one".