10021222010077 has 2 divisors, whose sum is σ = 10021222010078. Its totient is φ = 10021222010076.

The previous prime is 10021222010069. The next prime is 10021222010161. The reversal of 10021222010077 is 77001022212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7015537526596 + 3005684483481 = 2648686^2 + 1733691^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021222010077 - 2³ = 10021222010069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021222010027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010611005038 + 5010611005039.

It is an arithmetic number, because the mean of its divisors is an integer number (5010611005039).

Almost surely, 2^{10021222010077} is an apocalyptic number.

It is an amenable number.

10021222010077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021222010077 is an equidigital number, since it uses as much as digits as its factorization.

10021222010077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 25.

Adding to 10021222010077 its reverse (77001022212001), we get a palindrome (87022244222078).

The spelling of 10021222010077 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, ten thousand, seventy-seven".