1220220110101 has 8 divisors (see below), whose sum is σ = 1230176692224. Its totient is φ = 1210268974320.

The previous prime is 1220220110071. The next prime is 1220220110107. The reversal of 1220220110101 is 1010110220221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220220110101 - 2⁵ = 1220220110069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220220110107) 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, 911065 + ... + 1808446.

It is an arithmetic number, because the mean of its divisors is an integer number (153772086528).

Almost surely, 2^{1220220110101} is an apocalyptic number.

It is an amenable number.

1220220110101 is a deficient number, since it is larger than the sum of its proper divisors (9956582123).

1220220110101 is a wasteful number, since it uses less digits than its factorization.

1220220110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723171.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220220110101 its reverse (1010110220221), we get a palindrome (2230330330322).

The spelling of 1220220110101 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred ten thousand, one hundred one".