101333030081 has 2 divisors, whose sum is σ = 101333030082. Its totient is φ = 101333030080.

The previous prime is 101333030077. The next prime is 101333030107. The reversal of 101333030081 is 180030333101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58523351056 + 42809679025 = 241916^2 + 206905^2 .

It is a cyclic number.

It is not a de Polignac number, because 101333030081 - 2² = 101333030077 is a prime.

It is a super-2 number, since 2×101333030081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101333030021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50666515040 + 50666515041.

It is an arithmetic number, because the mean of its divisors is an integer number (50666515041).

Almost surely, 2^101333030081 is an apocalyptic number.

It is an amenable number.

101333030081 is a deficient number, since it is larger than the sum of its proper divisors (1).

101333030081 is an equidigital number, since it uses as much as digits as its factorization.

101333030081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 101333030081 its reverse (180030333101), we get a palindrome (281363363182).

The spelling of 101333030081 in words is "one hundred one billion, three hundred thirty-three million, thirty thousand, eighty-one".