101221003330 has 16 divisors (see below), whose sum is σ = 182493113400. Its totient is φ = 40422777472.

The previous prime is 101221003307. The next prime is 101221003337. The reversal of 101221003330 is 33300122101.

It can be written as a sum of positive squares in 4 ways, for example, as 64911319729 + 36309683601 = 254777^2 + 190551^2 .

It is not an unprimeable number, because it can be changed into a prime (101221003337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8196505 + ... + 8208844.

Almost surely, 2^101221003330 is an apocalyptic number.

101221003330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221003330 is a deficient number, since it is larger than the sum of its proper divisors (81272110070).

101221003330 is a wasteful number, since it uses less digits than its factorization.

101221003330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16405973.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 101221003330 its reverse (33300122101), we get a palindrome (134521125431).

The spelling of 101221003330 in words is "one hundred one billion, two hundred twenty-one million, three thousand, three hundred thirty".