361011121 has 2 divisors, whose sum is σ = 361011122. Its totient is φ = 361011120.

The previous prime is 361011113. The next prime is 361011127. The reversal of 361011121 is 121110163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351000225 + 10010896 = 18735^2 + 3164^2 .

It is an emirp because it is prime and its reverse (121110163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361011121 - 2³ = 361011113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361011095 and 361011104.

It is not a weakly prime, because it can be changed into another prime (361011127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180505560 + 180505561.

It is an arithmetic number, because the mean of its divisors is an integer number (180505561).

Almost surely, 2^361011121 is an apocalyptic number.

It is an amenable number.

361011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

361011121 is an equidigital number, since it uses as much as digits as its factorization.

361011121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 361011121 is about 19000.2926556409. The cubic root of 361011121 is about 712.0440475054.

Adding to 361011121 its reverse (121110163), we get a palindrome (482121284).

The spelling of 361011121 in words is "three hundred sixty-one million, eleven thousand, one hundred twenty-one".