1210121222039 has 2 divisors, whose sum is σ = 1210121222040. Its totient is φ = 1210121222038.

The previous prime is 1210121221999. The next prime is 1210121222053. The reversal of 1210121222039 is 9302221210121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210121222039 - 2²⁰ = 1210120173463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210121221999 and 1210121222017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210121222099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605060611019 + 605060611020.

It is an arithmetic number, because the mean of its divisors is an integer number (605060611020).

Almost surely, 2^{1210121222039} is an apocalyptic number.

1210121222039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210121222039 is an equidigital number, since it uses as much as digits as its factorization.

1210121222039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1210121222039 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-two thousand, thirty-nine".