212123122311101 has 8 divisors (see below), whose sum is σ = 223292833303200. Its totient is φ = 200953944932400.

The previous prime is 212123122311059. The next prime is 212123122311131. The reversal of 212123122311101 is 101113221321212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212123122311101 - 2²⁶ = 212123055202237 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 (212123122311131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132587246 + ... + 134177583.

It is an arithmetic number, because the mean of its divisors is an integer number (27911604162900).

Almost surely, 2^{212123122311101} is an apocalyptic number.

It is an amenable number.

212123122311101 is a deficient number, since it is larger than the sum of its proper divisors (11169710992099).

212123122311101 is a wasteful number, since it uses less digits than its factorization.

212123122311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266806699.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 212123122311101 its reverse (101113221321212), we get a palindrome (313236343632313).

The spelling of 212123122311101 in words is "two hundred twelve trillion, one hundred twenty-three billion, one hundred twenty-two million, three hundred eleven thousand, one hundred one".