79120022101 has 2 divisors, whose sum is σ = 79120022102. Its totient is φ = 79120022100.

The previous prime is 79120022089. The next prime is 79120022141. The reversal of 79120022101 is 10122002197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72361538001 + 6758484100 = 269001^2 + 82210^2 .

It is an emirp because it is prime and its reverse (10122002197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79120022101 - 2²³ = 79111633493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79120022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39560011050 + 39560011051.

It is an arithmetic number, because the mean of its divisors is an integer number (39560011051).

Almost surely, 2^79120022101 is an apocalyptic number.

It is an amenable number.

79120022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

79120022101 is an equidigital number, since it uses as much as digits as its factorization.

79120022101 is an evil number, because the sum of its binary digits is even.

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

Adding to 79120022101 its reverse (10122002197), we get a palindrome (89242024298).

The spelling of 79120022101 in words is "seventy-nine billion, one hundred twenty million, twenty-two thousand, one hundred one".