10020111110221 has 16 divisors (see below), whose sum is σ = 10754213650560. Its totient is φ = 9307663231680.

The previous prime is 10020111110209. The next prime is 10020111110227. The reversal of 10020111110221 is 12201111102001.

It is a happy number.

10020111110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020111110221 is a prime.

It is a super-2 number, since 2×10020111110221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020111110227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13269001 + ... + 14003806.

It is an arithmetic number, because the mean of its divisors is an integer number (672138353160).

Almost surely, 2^{10020111110221} is an apocalyptic number.

It is an amenable number.

10020111110221 is a deficient number, since it is larger than the sum of its proper divisors (734102540339).

10020111110221 is a wasteful number, since it uses less digits than its factorization.

10020111110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27273204.

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

Adding to 10020111110221 its reverse (12201111102001), we get a palindrome (22221222212222).

The spelling of 10020111110221 in words is "ten trillion, twenty billion, one hundred eleven million, one hundred ten thousand, two hundred twenty-one".