10111112020221 has 8 divisors (see below), whose sum is σ = 13485744951840. Its totient is φ = 6738610217712.

The previous prime is 10111112020211. The next prime is 10111112020223. The reversal of 10111112020221 is 12202021111101.

It is a happy number.

10111112020221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10111112020221 - 2⁵ = 10111112020189 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111112020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111112020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532771206 + ... + 532790183.

It is an arithmetic number, because the mean of its divisors is an integer number (1685718118980).

Almost surely, 2^{10111112020221} is an apocalyptic number.

It is an amenable number.

10111112020221 is a deficient number, since it is larger than the sum of its proper divisors (3374632931619).

10111112020221 is a wasteful number, since it uses less digits than its factorization.

10111112020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065564555.

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

Adding to 10111112020221 its reverse (12202021111101), we get a palindrome (22313133131322).

The spelling of 10111112020221 in words is "ten trillion, one hundred eleven billion, one hundred twelve million, twenty thousand, two hundred twenty-one".