212221233020903 has 2 divisors, whose sum is σ = 212221233020904. Its totient is φ = 212221233020902.

The previous prime is 212221233020869. The next prime is 212221233020983. The reversal of 212221233020903 is 309020332122212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212221233020903 - 2²² = 212221228826599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212221233020903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212221233020983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110616510451 + 106110616510452.

It is an arithmetic number, because the mean of its divisors is an integer number (106110616510452).

Almost surely, 2^{212221233020903} is an apocalyptic number.

212221233020903 is a deficient number, since it is larger than the sum of its proper divisors (1).

212221233020903 is an equidigital number, since it uses as much as digits as its factorization.

212221233020903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 212221233020903 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred thirty-three million, twenty thousand, nine hundred three".