1341120221 has 8 divisors (see below), whose sum is σ = 1533011904. Its totient is φ = 1149304320.

The previous prime is 1341120217. The next prime is 1341120227. The reversal of 1341120221 is 1220211431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1341120221 - 2² = 1341120217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1341120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341120227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26141 + ... + 58013.

It is an arithmetic number, because the mean of its divisors is an integer number (191626488).

Almost surely, 2^1341120221 is an apocalyptic number.

It is an amenable number.

1341120221 is a deficient number, since it is larger than the sum of its proper divisors (191891683).

1341120221 is an equidigital number, since it uses as much as digits as its factorization.

1341120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37891.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1341120221 is about 36621.3082917582. The cubic root of 1341120221 is about 1102.7809033599.

Adding to 1341120221 its reverse (1220211431), we get a palindrome (2561331652).

The spelling of 1341120221 in words is "one billion, three hundred forty-one million, one hundred twenty thousand, two hundred twenty-one".