1320222101 has 8 divisors (see below), whose sum is σ = 1444520064. Its totient is φ = 1196637120.

The previous prime is 1320222083. The next prime is 1320222119. The reversal of 1320222101 is 1012220231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1320222083) and next prime (1320222119).

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 1320222101 - 2¹⁸ = 1319959957 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 (1320222121) 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, 174365 + ... + 181778.

It is an arithmetic number, because the mean of its divisors is an integer number (180565008).

Almost surely, 2^1320222101 is an apocalyptic number.

1320222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320222101 is a deficient number, since it is larger than the sum of its proper divisors (124297963).

1320222101 is a wasteful number, since it uses less digits than its factorization.

1320222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356491.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1320222101 is about 36334.8606850226. The cubic root of 1320222101 is about 1097.0228313301.

Adding to 1320222101 its reverse (1012220231), we get a palindrome (2332442332).

The spelling of 1320222101 in words is "one billion, three hundred twenty million, two hundred twenty-two thousand, one hundred one".