10110221011221 has 32 divisors (see below), whose sum is σ = 14492277347328. Its totient is φ = 6246402328320.

The previous prime is 10110221011217. The next prime is 10110221011259. The reversal of 10110221011221 is 12211012201101.

It is a happy number.

It is not a de Polignac number, because 10110221011221 - 2² = 10110221011217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10110221011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110221011291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7668826 + ... + 8889956.

It is an arithmetic number, because the mean of its divisors is an integer number (452883667104).

Almost surely, 2^{10110221011221} is an apocalyptic number.

It is an amenable number.

10110221011221 is a deficient number, since it is larger than the sum of its proper divisors (4382056336107).

10110221011221 is a wasteful number, since it uses less digits than its factorization.

10110221011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223641.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10110221011221 its reverse (12211012201101), we get a palindrome (22321233212322).

The spelling of 10110221011221 in words is "ten trillion, one hundred ten billion, two hundred twenty-one million, eleven thousand, two hundred twenty-one".