10110020011221 has 32 divisors (see below), whose sum is σ = 15076265290240. Its totient is φ = 5986164026304.

The previous prime is 10110020011199. The next prime is 10110020011241. The reversal of 10110020011221 is 12211002001101.

It is not a de Polignac number, because 10110020011221 - 2²¹ = 10110017914069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110020011197 and 10110020011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110020011241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44877451 + ... + 45102168.

It is an arithmetic number, because the mean of its divisors is an integer number (471133290320).

Almost surely, 2^{10110020011221} is an apocalyptic number.

It is an amenable number.

10110020011221 is a deficient number, since it is larger than the sum of its proper divisors (4966245279019).

10110020011221 is a wasteful number, since it uses less digits than its factorization.

10110020011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89979745.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10110020011221 its reverse (12211002001101), we get a palindrome (22321022012322).

The spelling of 10110020011221 in words is "ten trillion, one hundred ten billion, twenty million, eleven thousand, two hundred twenty-one".