101021221330 has 16 divisors (see below), whose sum is σ = 183712820760. Its totient is φ = 39991905792.

The previous prime is 101021221319. The next prime is 101021221337. The reversal of 101021221330 is 33122120101.

It can be written as a sum of positive squares in 4 ways, for example, as 63817369641 + 37203851689 = 252621^2 + 192883^2 .

It is not an unprimeable number, because it can be changed into a prime (101021221337) 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 in 7 ways as a sum of consecutive naturals, for example, 52071825 + ... + 52073764.

Almost surely, 2^101021221330 is an apocalyptic number.

101021221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021221330 is a deficient number, since it is larger than the sum of its proper divisors (82691599430).

101021221330 is a wasteful number, since it uses less digits than its factorization.

101021221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104145693.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101021221330 its reverse (33122120101), we get a palindrome (134143341431).

The spelling of 101021221330 in words is "one hundred one billion, twenty-one million, two hundred twenty-one thousand, three hundred thirty".