212110001002101 has 4 divisors (see below), whose sum is σ = 282813334669472. Its totient is φ = 141406667334732.

The previous prime is 212110001002079. The next prime is 212110001002117. The reversal of 212110001002101 is 101200100011212.

212110001002101 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 not a de Polignac number, because 212110001002101 - 2⁶ = 212110001002037 is a prime.

It is a super-2 number, since 2×212110001002101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110001002901) 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, 35351666833681 + ... + 35351666833686.

It is an arithmetic number, because the mean of its divisors is an integer number (70703333667368).

Almost surely, 2^{212110001002101} is an apocalyptic number.

It is an amenable number.

212110001002101 is a deficient number, since it is larger than the sum of its proper divisors (70703333667371).

212110001002101 is an equidigital number, since it uses as much as digits as its factorization.

212110001002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70703333667370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212110001002101 its reverse (101200100011212), we get a palindrome (313310101013313).

The spelling of 212110001002101 in words is "two hundred twelve trillion, one hundred ten billion, one million, two thousand, one hundred one".