212110000222101 has 4 divisors (see below), whose sum is σ = 282813333629472. Its totient is φ = 141406666814732.

The previous prime is 212110000222073. The next prime is 212110000222151. The reversal of 212110000222101 is 101222000011212.

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 212110000222101 - 2⁶ = 212110000222037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110000222151) 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, 35351666703681 + ... + 35351666703686.

It is an arithmetic number, because the mean of its divisors is an integer number (70703333407368).

Almost surely, 2^{212110000222101} is an apocalyptic number.

It is an amenable number.

212110000222101 is a deficient number, since it is larger than the sum of its proper divisors (70703333407371).

212110000222101 is an equidigital number, since it uses as much as digits as its factorization.

212110000222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70703333407370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110000222101 its reverse (101222000011212), we get a palindrome (313332000233313).

The spelling of 212110000222101 in words is "two hundred twelve trillion, one hundred ten billion, two hundred twenty-two thousand, one hundred one".