210055807229 has 2 divisors, whose sum is σ = 210055807230. Its totient is φ = 210055807228.

The previous prime is 210055807177. The next prime is 210055807231. The reversal of 210055807229 is 922708550012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194803063225 + 15252744004 = 441365^2 + 123502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210055807229 is a prime.

Together with 210055807231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210055807729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105027903614 + 105027903615.

It is an arithmetic number, because the mean of its divisors is an integer number (105027903615).

Almost surely, 2^210055807229 is an apocalyptic number.

It is an amenable number.

210055807229 is a deficient number, since it is larger than the sum of its proper divisors (1).

210055807229 is an equidigital number, since it uses as much as digits as its factorization.

210055807229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 210055807229 in words is "two hundred ten billion, fifty-five million, eight hundred seven thousand, two hundred twenty-nine".