212103331051 has 2 divisors, whose sum is σ = 212103331052. Its totient is φ = 212103331050.

The previous prime is 212103331019. The next prime is 212103331091. The reversal of 212103331051 is 150133301212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212103331051 - 2⁵ = 212103331019 is a prime.

It is not a weakly prime, because it can be changed into another prime (212103331091) 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 as a sum of consecutive naturals, namely, 106051665525 + 106051665526.

It is an arithmetic number, because the mean of its divisors is an integer number (106051665526).

Almost surely, 2^212103331051 is an apocalyptic number.

212103331051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103331051 is an equidigital number, since it uses as much as digits as its factorization.

212103331051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 212103331051 its reverse (150133301212), we get a palindrome (362236632263).

The spelling of 212103331051 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-one thousand, fifty-one".