212202002101 has 4 divisors (see below), whose sum is σ = 212685378400. Its totient is φ = 211718625804.

The previous prime is 212202002099. The next prime is 212202002119. The reversal of 212202002101 is 101200202212.

It is a happy number.

212202002101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212202002101 - 2¹ = 212202002099 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 (212202002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241687491 + ... + 241688368.

It is an arithmetic number, because the mean of its divisors is an integer number (53171344600).

Almost surely, 2^212202002101 is an apocalyptic number.

It is an amenable number.

212202002101 is a deficient number, since it is larger than the sum of its proper divisors (483376299).

212202002101 is an equidigital number, since it uses as much as digits as its factorization.

212202002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483376298.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212202002101 its reverse (101200202212), we get a palindrome (313402204313).

The spelling of 212202002101 in words is "two hundred twelve billion, two hundred two million, two thousand, one hundred one".