1221101341 has 8 divisors (see below), whose sum is σ = 1238403200. Its totient is φ = 1203845760.

The previous prime is 1221101311. The next prime is 1221101353. The reversal of 1221101341 is 1431011221.

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 1221101341 - 2⁵ = 1221101309 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 (1221101311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43405 + ... + 65773.

It is an arithmetic number, because the mean of its divisors is an integer number (154800400).

Almost surely, 2^1221101341 is an apocalyptic number.

It is an amenable number.

1221101341 is a deficient number, since it is larger than the sum of its proper divisors (17301859).

1221101341 is an equidigital number, since it uses as much as digits as its factorization.

1221101341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23139.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1221101341 is about 34944.2604872388. The cubic root of 1221101341 is about 1068.8511677609.

Adding to 1221101341 its reverse (1431011221), we get a palindrome (2652112562).

The spelling of 1221101341 in words is "one billion, two hundred twenty-one million, one hundred one thousand, three hundred forty-one".