122002222109 has 2 divisors, whose sum is σ = 122002222110. Its totient is φ = 122002222108.

The previous prime is 122002222091. The next prime is 122002222123. The reversal of 122002222109 is 901222200221.

Together with previous prime (122002222091) 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., 112222990009 + 9779232100 = 334997^2 + 98890^2 .

It is a cyclic number.

It is not a de Polignac number, because 122002222109 - 2⁸ = 122002221853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001111054 + 61001111055.

It is an arithmetic number, because the mean of its divisors is an integer number (61001111055).

Almost surely, 2^122002222109 is an apocalyptic number.

It is an amenable number.

122002222109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002222109 is an equidigital number, since it uses as much as digits as its factorization.

122002222109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 122002222109 in words is "one hundred twenty-two billion, two million, two hundred twenty-two thousand, one hundred nine".