1302221012101 has 2 divisors, whose sum is σ = 1302221012102. Its totient is φ = 1302221012100.

The previous prime is 1302221012003. The next prime is 1302221012111. The reversal of 1302221012101 is 1012101222031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204833327201 + 97387684900 = 1097649^2 + 312070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302221012101 - 2²¹ = 1302218914949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302221012111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651110506050 + 651110506051.

It is an arithmetic number, because the mean of its divisors is an integer number (651110506051).

Almost surely, 2^{1302221012101} is an apocalyptic number.

It is an amenable number.

1302221012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302221012101 is an equidigital number, since it uses as much as digits as its factorization.

1302221012101 is an evil number, because the sum of its binary digits is even.

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

Adding to 1302221012101 its reverse (1012101222031), we get a palindrome (2314322234132).

The spelling of 1302221012101 in words is "one trillion, three hundred two billion, two hundred twenty-one million, twelve thousand, one hundred one".