101221010320330 has 32 divisors (see below), whose sum is σ = 182301039109584. Its totient is φ = 40465472726016.

The previous prime is 101221010320267. The next prime is 101221010320379. The reversal of 101221010320330 is 33023010122101.

It can be written as a sum of positive squares in 8 ways, for example, as 56936124633609 + 44284885686721 = 7545603^2 + 6654689^2 .

It is a super-2 number, since 2×101221010320330² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101221010320298 and 101221010320307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125392284 + ... + 126196936.

Almost surely, 2^{101221010320330} is an apocalyptic number.

101221010320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221010320330 is a deficient number, since it is larger than the sum of its proper divisors (81080028789254).

101221010320330 is a wasteful number, since it uses less digits than its factorization.

101221010320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811770.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101221010320330 its reverse (33023010122101), we get a palindrome (134244020442431).

The spelling of 101221010320330 in words is "one hundred one trillion, two hundred twenty-one billion, ten million, three hundred twenty thousand, three hundred thirty".