212201101031 has 2 divisors, whose sum is σ = 212201101032. Its totient is φ = 212201101030.

The previous prime is 212201101001. The next prime is 212201101033. The reversal of 212201101031 is 130101102212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212201101031 - 2¹⁴ = 212201084647 is a prime.

It is a super-2 number, since 2×212201101031² (a number of 23 digits) contains 22 as substring.

Together with 212201101033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212201100997 and 212201101015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201101033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100550515 + 106100550516.

It is an arithmetic number, because the mean of its divisors is an integer number (106100550516).

Almost surely, 2^212201101031 is an apocalyptic number.

212201101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201101031 is an equidigital number, since it uses as much as digits as its factorization.

212201101031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212201101031 its reverse (130101102212), we get a palindrome (342302203243).

The spelling of 212201101031 in words is "two hundred twelve billion, two hundred one million, one hundred one thousand, thirty-one".