212330021303101 has 4 divisors (see below), whose sum is σ = 228663099864892. Its totient is φ = 195996942741312.

The previous prime is 212330021303087. The next prime is 212330021303107. The reversal of 212330021303101 is 101303120033212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40557804987001 + 171772216316100 = 6368501^2 + 13106190^2 .

It is a cyclic number.

It is not a de Polignac number, because 212330021303101 - 2¹⁵ = 212330021270333 is a prime.

It is a super-2 number, since 2×212330021303101² (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 (212330021303107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8166539280876 + ... + 8166539280901.

It is an arithmetic number, because the mean of its divisors is an integer number (57165774966223).

Almost surely, 2^{212330021303101} is an apocalyptic number.

It is an amenable number.

212330021303101 is a deficient number, since it is larger than the sum of its proper divisors (16333078561791).

212330021303101 is a wasteful number, since it uses less digits than its factorization.

212330021303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333078561790.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212330021303101 its reverse (101303120033212), we get a palindrome (313633141336313).

The spelling of 212330021303101 in words is "two hundred twelve trillion, three hundred thirty billion, twenty-one million, three hundred three thousand, one hundred one".