212110201001 has 4 divisors (see below), whose sum is σ = 213780360192. Its totient is φ = 210440041812.

The previous prime is 212110200923. The next prime is 212110201021. The reversal of 212110201001 is 100102011212.

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-212110201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212110201021) 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, 835079405 + ... + 835079658.

It is an arithmetic number, because the mean of its divisors is an integer number (53445090048).

Almost surely, 2^212110201001 is an apocalyptic number.

It is an amenable number.

212110201001 is a deficient number, since it is larger than the sum of its proper divisors (1670159191).

212110201001 is a wasteful number, since it uses less digits than its factorization.

212110201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670159190.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212110201001 its reverse (100102011212), we get a palindrome (312212212213).

The spelling of 212110201001 in words is "two hundred twelve billion, one hundred ten million, two hundred one thousand, one".