10110102011221 has 4 divisors (see below), whose sum is σ = 10704813894252. Its totient is φ = 9515390128192.

The previous prime is 10110102011197. The next prime is 10110102011231. The reversal of 10110102011221 is 12211020101101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3860776992996 + 6249325018225 = 1964886^2 + 2499865^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110102011221 - 2⁹ = 10110102010709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110102011231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297355941490 + ... + 297355941523.

It is an arithmetic number, because the mean of its divisors is an integer number (2676203473563).

Almost surely, 2^{10110102011221} is an apocalyptic number.

It is an amenable number.

10110102011221 is a deficient number, since it is larger than the sum of its proper divisors (594711883031).

10110102011221 is an equidigital number, since it uses as much as digits as its factorization.

10110102011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594711883030.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10110102011221 its reverse (12211020101101), we get a palindrome (22321122112322).

The spelling of 10110102011221 in words is "ten trillion, one hundred ten billion, one hundred two million, eleven thousand, two hundred twenty-one".