361123221101 has 2 divisors, whose sum is σ = 361123221102. Its totient is φ = 361123221100.

The previous prime is 361123221097. The next prime is 361123221113. The reversal of 361123221101 is 101122321163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216666975625 + 144456245476 = 465475^2 + 380074^2 .

It is an emirp because it is prime and its reverse (101122321163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361123221101 - 2² = 361123221097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361123221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180561610550 + 180561610551.

It is an arithmetic number, because the mean of its divisors is an integer number (180561610551).

Almost surely, 2^361123221101 is an apocalyptic number.

It is an amenable number.

361123221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

361123221101 is an equidigital number, since it uses as much as digits as its factorization.

361123221101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 361123221101 its reverse (101122321163), we get a palindrome (462245542264).

The spelling of 361123221101 in words is "three hundred sixty-one billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred one".