212221103051 has 2 divisors, whose sum is σ = 212221103052. Its totient is φ = 212221103050.

The previous prime is 212221103009. The next prime is 212221103053. The reversal of 212221103051 is 150301122212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212221103051 - 2⁶ = 212221102987 is a prime.

Together with 212221103053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212221103053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110551525 + 106110551526.

It is an arithmetic number, because the mean of its divisors is an integer number (106110551526).

Almost surely, 2^212221103051 is an apocalyptic number.

212221103051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212221103051 is an equidigital number, since it uses as much as digits as its factorization.

212221103051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 212221103051 its reverse (150301122212), we get a palindrome (362522225263).

The spelling of 212221103051 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred three thousand, fifty-one".