222120011121013 has 2 divisors, whose sum is σ = 222120011121014. Its totient is φ = 222120011121012.

The previous prime is 222120011120893. The next prime is 222120011121031. The reversal of 222120011121013 is 310121110021222.

Together with next prime (222120011121031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210571384722084 + 11548626398929 = 14511078^2 + 3398327^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120011121013 - 2¹³ = 222120011112821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120011121053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060005560506 + 111060005560507.

It is an arithmetic number, because the mean of its divisors is an integer number (111060005560507).

Almost surely, 2^{222120011121013} is an apocalyptic number.

It is an amenable number.

222120011121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120011121013 is an equidigital number, since it uses as much as digits as its factorization.

222120011121013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 222120011121013 its reverse (310121110021222), we get a palindrome (532241121142235).

The spelling of 222120011121013 in words is "two hundred twenty-two trillion, one hundred twenty billion, eleven million, one hundred twenty-one thousand, thirteen".