202130221229 has 2 divisors, whose sum is σ = 202130221230. Its totient is φ = 202130221228.

The previous prime is 202130221199. The next prime is 202130221231. The reversal of 202130221229 is 922122031202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139943328100 + 62186893129 = 374090^2 + 249373^2 .

It is a cyclic number.

It is not a de Polignac number, because 202130221229 - 2²⁸ = 201861785773 is a prime.

Together with 202130221231, 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 = 202130221198 and 202130221207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202130221429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065110614 + 101065110615.

It is an arithmetic number, because the mean of its divisors is an integer number (101065110615).

Almost surely, 2^202130221229 is an apocalyptic number.

It is an amenable number.

202130221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130221229 is an equidigital number, since it uses as much as digits as its factorization.

202130221229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 202130221229 in words is "two hundred two billion, one hundred thirty million, two hundred twenty-one thousand, two hundred twenty-nine".