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1320301221101 = 3142590361971
BaseRepresentation
bin10011001101101000000…
…101011101010011101101
311200012221001200100010222
4103031220011131103231
5133112434103033401
62450312113141125
7164250203132042
oct23155005352355
94605831610128
101320301221101
11469a3368a075
12193a7225a7a5
13976720098c5
1447c8d8811c9
1524526341c1b
hex1336815d4ed

1320301221101 has 4 divisors (see below), whose sum is σ = 1362891583104. Its totient is φ = 1277710859100.

The previous prime is 1320301221079. The next prime is 1320301221133. The reversal of 1320301221101 is 1011221030231.

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 a de Polignac number, because none of the positive numbers 2k-1320301221101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320301221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320301221191) 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, 21295180955 + ... + 21295181016.

It is an arithmetic number, because the mean of its divisors is an integer number (340722895776).

Almost surely, 21320301221101 is an apocalyptic number.

It is an amenable number.

1320301221101 is a deficient number, since it is larger than the sum of its proper divisors (42590362003).

1320301221101 is an equidigital number, since it uses as much as digits as its factorization.

1320301221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42590362002.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1320301221101 its reverse (1011221030231), we get a palindrome (2331522251332).

The spelling of 1320301221101 in words is "one trillion, three hundred twenty billion, three hundred one million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 31 42590361971 1320301221101