1022012121079 has 2 divisors, whose sum is σ = 1022012121080. Its totient is φ = 1022012121078.

The previous prime is 1022012121077. The next prime is 1022012121127. The reversal of 1022012121079 is 9701212102201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022012121079 - 2¹ = 1022012121077 is a prime.

It is a super-2 number, since 2×1022012121079² (a number of 25 digits) contains 22 as substring.

Together with 1022012121077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022012121077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511006060539 + 511006060540.

It is an arithmetic number, because the mean of its divisors is an integer number (511006060540).

Almost surely, 2^{1022012121079} is an apocalyptic number.

1022012121079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022012121079 is an equidigital number, since it uses as much as digits as its factorization.

1022012121079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 1022012121079 in words is "one trillion, twenty-two billion, twelve million, one hundred twenty-one thousand, seventy-nine".