361220011 has 4 divisors (see below), whose sum is σ = 370982752. Its totient is φ = 351457272.

The previous prime is 361219997. The next prime is 361220017. The reversal of 361220011 is 110022163.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 361220011 - 2⁹ = 361219499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361220017) 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 in 3 ways as a sum of consecutive naturals, for example, 4881315 + ... + 4881388.

It is an arithmetic number, because the mean of its divisors is an integer number (92745688).

Almost surely, 2^361220011 is an apocalyptic number.

361220011 is a deficient number, since it is larger than the sum of its proper divisors (9762741).

361220011 is an equidigital number, since it uses as much as digits as its factorization.

361220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762740.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 361220011 is about 19005.7888812856. The cubic root of 361220011 is about 712.1813564816.

Adding to 361220011 its reverse (110022163), we get a palindrome (471242174).

The spelling of 361220011 in words is "three hundred sixty-one million, two hundred twenty thousand, eleven".