361421101 has 4 divisors (see below), whose sum is σ = 362005600. Its totient is φ = 360836604.

The previous prime is 361421089. The next prime is 361421111. The reversal of 361421101 is 101124163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361421101 - 2⁹ = 361420589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361421111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291321 + ... + 292558.

It is an arithmetic number, because the mean of its divisors is an integer number (90501400).

Almost surely, 2^361421101 is an apocalyptic number.

It is an amenable number.

361421101 is a deficient number, since it is larger than the sum of its proper divisors (584499).

361421101 is an equidigital number, since it uses as much as digits as its factorization.

361421101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584498.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 361421101 is about 19011.0783755157. The cubic root of 361421101 is about 712.3134883103.

Adding to 361421101 its reverse (101124163), we get a palindrome (462545264).

The spelling of 361421101 in words is "three hundred sixty-one million, four hundred twenty-one thousand, one hundred one".