79000001222101 has 2 divisors, whose sum is σ = 79000001222102. Its totient is φ = 79000001222100.

The previous prime is 79000001222063. The next prime is 79000001222111. The reversal of 79000001222101 is 10122210000097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76274196920100 + 2725804302001 = 8733510^2 + 1651001^2 .

It is a cyclic number.

It is not a de Polignac number, because 79000001222101 - 2¹⁷ = 79000001091029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79000001222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500000611050 + 39500000611051.

It is an arithmetic number, because the mean of its divisors is an integer number (39500000611051).

Almost surely, 2^{79000001222101} is an apocalyptic number.

It is an amenable number.

79000001222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000001222101 is an equidigital number, since it uses as much as digits as its factorization.

79000001222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 79000001222101 its reverse (10122210000097), we get a palindrome (89122211222198).

The spelling of 79000001222101 in words is "seventy-nine trillion, one million, two hundred twenty-two thousand, one hundred one".