222120110222077 has 2 divisors, whose sum is σ = 222120110222078. Its totient is φ = 222120110222076.

The previous prime is 222120110222057. The next prime is 222120110222243. The reversal of 222120110222077 is 770222011021222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221951029716441 + 169080505636 = 14898021^2 + 411194^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120110222077 - 2²⁷ = 222119976004349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120110222057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060055111038 + 111060055111039.

It is an arithmetic number, because the mean of its divisors is an integer number (111060055111039).

Almost surely, 2^{222120110222077} is an apocalyptic number.

It is an amenable number.

222120110222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120110222077 is an equidigital number, since it uses as much as digits as its factorization.

222120110222077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

Adding to 222120110222077 its reverse (770222011021222), we get a palindrome (992342121243299).

The spelling of 222120110222077 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-two thousand, seventy-seven".