101150221331 has 2 divisors, whose sum is σ = 101150221332. Its totient is φ = 101150221330.

The previous prime is 101150221313. The next prime is 101150221363. The reversal of 101150221331 is 133122051101.

Together with previous prime (101150221313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101150221331 - 2¹⁰ = 101150220307 is a prime.

It is a super-2 number, since 2×101150221331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101150221301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50575110665 + 50575110666.

It is an arithmetic number, because the mean of its divisors is an integer number (50575110666).

Almost surely, 2^101150221331 is an apocalyptic number.

101150221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

101150221331 is an equidigital number, since it uses as much as digits as its factorization.

101150221331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 101150221331 its reverse (133122051101), we get a palindrome (234272272432).

The spelling of 101150221331 in words is "one hundred one billion, one hundred fifty million, two hundred twenty-one thousand, three hundred thirty-one".