121122100022489 has 2 divisors, whose sum is σ = 121122100022490. Its totient is φ = 121122100022488.

The previous prime is 121122100022461. The next prime is 121122100022557. The reversal of 121122100022489 is 984220001221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121105799116864 + 16300905625 = 11004808^2 + 127675^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122100022489 - 2¹⁶ = 121122099956953 is a prime.

It is a super-2 number, since 2×121122100022489² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121122100022089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561050011244 + 60561050011245.

It is an arithmetic number, because the mean of its divisors is an integer number (60561050011245).

Almost surely, 2^{121122100022489} is an apocalyptic number.

It is an amenable number.

121122100022489 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122100022489 is an equidigital number, since it uses as much as digits as its factorization.

121122100022489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 121122100022489 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, four hundred eighty-nine".