122002222011689 has 2 divisors, whose sum is σ = 122002222011690. Its totient is φ = 122002222011688.

The previous prime is 122002222011661. The next prime is 122002222011707. The reversal of 122002222011689 is 986110222200221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118078475097664 + 3923746914025 = 10866392^2 + 1980845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002222011689 is a prime.

It is not a weakly prime, because it can be changed into another prime (122002227011689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001111005844 + 61001111005845.

It is an arithmetic number, because the mean of its divisors is an integer number (61001111005845).

Almost surely, 2^{122002222011689} is an apocalyptic number.

It is an amenable number.

122002222011689 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002222011689 is an equidigital number, since it uses as much as digits as its factorization.

122002222011689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 122002222011689 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-two million, eleven thousand, six hundred eighty-nine".