10202212122187 has 2 divisors, whose sum is σ = 10202212122188. Its totient is φ = 10202212122186.

The previous prime is 10202212122169. The next prime is 10202212122227. The reversal of 10202212122187 is 78122121220201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202212122187 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202212122787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101106061093 + 5101106061094.

It is an arithmetic number, because the mean of its divisors is an integer number (5101106061094).

Almost surely, 2^{10202212122187} is an apocalyptic number.

10202212122187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202212122187 is an equidigital number, since it uses as much as digits as its factorization.

10202212122187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 10202212122187 its reverse (78122121220201), we get a palindrome (88324333342388).

The spelling of 10202212122187 in words is "ten trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eighty-seven".