212201102221331 has 8 divisors (see below), whose sum is σ = 215798202648240. Its totient is φ = 208604017513728.

The previous prime is 212201102221313. The next prime is 212201102221429. The reversal of 212201102221331 is 133122201102212.

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

It is not a de Polignac number, because 212201102221331 - 2¹⁴ = 212201102204947 is a prime.

It is a super-2 number, since 2×212201102221331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212201102221297 and 212201102221306.

It is not an unprimeable number, because it can be changed into a prime (212201102229331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25100075 + ... + 32471771.

It is an arithmetic number, because the mean of its divisors is an integer number (26974775331030).

Almost surely, 2^{212201102221331} is an apocalyptic number.

212201102221331 is a deficient number, since it is larger than the sum of its proper divisors (3597100426909).

212201102221331 is an equidigital number, since it uses as much as digits as its factorization.

212201102221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859653.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212201102221331 its reverse (133122201102212), we get a palindrome (345323303323543).

The spelling of 212201102221331 in words is "two hundred twelve trillion, two hundred one billion, one hundred two million, two hundred twenty-one thousand, three hundred thirty-one".