212101333231 has 8 divisors (see below), whose sum is σ = 221330229120. Its totient is φ = 202873028952.

The previous prime is 212101333211. The next prime is 212101333243. The reversal of 212101333231 is 132333101212.

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 212101333231 - 2¹³ = 212101325039 is a prime.

It is a super-2 number, since 2×212101333231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101333211) 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, 684456 + ... + 944818.

It is an arithmetic number, because the mean of its divisors is an integer number (27666278640).

Almost surely, 2^212101333231 is an apocalyptic number.

212101333231 is a deficient number, since it is larger than the sum of its proper divisors (9228895889).

212101333231 is a wasteful number, since it uses less digits than its factorization.

212101333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295805.

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

Adding to 212101333231 its reverse (132333101212), we get a palindrome (344434434443).

The spelling of 212101333231 in words is "two hundred twelve billion, one hundred one million, three hundred thirty-three thousand, two hundred thirty-one".