101101002222221 has 8 divisors (see below), whose sum is σ = 103570075337400. Its totient is φ = 98632081250560.

The previous prime is 101101002222149. The next prime is 101101002222247. The reversal of 101101002222221 is 122222200101101.

It can be written as a sum of positive squares in 4 ways, for example, as 664306502500 + 100436695719721 = 815050^2 + 10021811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101101002222221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101101002222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101002222251) 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, 36690056 + ... + 39349233.

It is an arithmetic number, because the mean of its divisors is an integer number (12946259417175).

Almost surely, 2^{101101002222221} is an apocalyptic number.

It is an amenable number.

101101002222221 is a deficient number, since it is larger than the sum of its proper divisors (2469073115179).

101101002222221 is an equidigital number, since it uses as much as digits as its factorization.

101101002222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76071759.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101101002222221 its reverse (122222200101101), we get a palindrome (223323202323322).

The spelling of 101101002222221 in words is "one hundred one trillion, one hundred one billion, two million, two hundred twenty-two thousand, two hundred twenty-one".