1220011002979 has 2 divisors, whose sum is σ = 1220011002980. Its totient is φ = 1220011002978.

The previous prime is 1220011002937. The next prime is 1220011003009. The reversal of 1220011002979 is 9792001100221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220011002979 - 2⁷ = 1220011002851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220011006979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005501489 + 610005501490.

It is an arithmetic number, because the mean of its divisors is an integer number (610005501490).

Almost surely, 2^{1220011002979} is an apocalyptic number.

1220011002979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220011002979 is an equidigital number, since it uses as much as digits as its factorization.

1220011002979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 1220011002979 in words is "one trillion, two hundred twenty billion, eleven million, two thousand, nine hundred seventy-nine".