222512730101 has 2 divisors, whose sum is σ = 222512730102. Its totient is φ = 222512730100.

The previous prime is 222512730049. The next prime is 222512730103. The reversal of 222512730101 is 101037215222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182949531076 + 39563199025 = 427726^2 + 198905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222512730101 is a prime.

Together with 222512730103, 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 (222512730103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111256365050 + 111256365051.

It is an arithmetic number, because the mean of its divisors is an integer number (111256365051).

Almost surely, 2^222512730101 is an apocalyptic number.

It is an amenable number.

222512730101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222512730101 is an equidigital number, since it uses as much as digits as its factorization.

222512730101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 222512730101 its reverse (101037215222), we get a palindrome (323549945323).

The spelling of 222512730101 in words is "two hundred twenty-two billion, five hundred twelve million, seven hundred thirty thousand, one hundred one".