10111022000221 has 4 divisors (see below), whose sum is σ = 10705788000252. Its totient is φ = 9516256000192.

The previous prime is 10111022000203. The next prime is 10111022000251. The reversal of 10111022000221 is 12200022011101.

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 8209342388025 + 1901679612196 = 2865195^2 + 1379014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111022000221 - 2²³ = 10111013611613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111022000251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297382999990 + ... + 297383000023.

It is an arithmetic number, because the mean of its divisors is an integer number (2676447000063).

Almost surely, 2^{10111022000221} is an apocalyptic number.

It is an amenable number.

10111022000221 is a deficient number, since it is larger than the sum of its proper divisors (594766000031).

10111022000221 is an equidigital number, since it uses as much as digits as its factorization.

10111022000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594766000030.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10111022000221 its reverse (12200022011101), we get a palindrome (22311044011322).

The spelling of 10111022000221 in words is "ten trillion, one hundred eleven billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.