10212222222077 has 2 divisors, whose sum is σ = 10212222222078. Its totient is φ = 10212222222076.

The previous prime is 10212222222047. The next prime is 10212222222127. The reversal of 10212222222077 is 77022222221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9013961410276 + 1198260811801 = 3002326^2 + 1094651^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212222222077 - 2²⁰ = 10212221173501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212222222047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106111111038 + 5106111111039.

It is an arithmetic number, because the mean of its divisors is an integer number (5106111111039).

Almost surely, 2^{10212222222077} is an apocalyptic number.

It is an amenable number.

10212222222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212222222077 is an equidigital number, since it uses as much as digits as its factorization.

10212222222077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

Adding to 10212222222077 its reverse (77022222221201), we get a palindrome (87234444443278).

The spelling of 10212222222077 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, seventy-seven".