10111202202221 has 8 divisors (see below), whose sum is σ = 10650528382080. Its totient is φ = 9572591786688.

The previous prime is 10111202202197. The next prime is 10111202202247. The reversal of 10111202202221 is 12220220211101.

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

It is not a de Polignac number, because 10111202202221 - 2¹⁰ = 10111202201197 is a prime.

It is a Duffinian number.

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 10111202202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111202202271) 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, 178912076 + ... + 178968581.

It is an arithmetic number, because the mean of its divisors is an integer number (1331316047760).

Almost surely, 2^{10111202202221} is an apocalyptic number.

It is an amenable number.

10111202202221 is a deficient number, since it is larger than the sum of its proper divisors (539326179859).

10111202202221 is a wasteful number, since it uses less digits than its factorization.

10111202202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357882163.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10111202202221 its reverse (12220220211101), we get a palindrome (22331422413322).

The spelling of 10111202202221 in words is "ten trillion, one hundred eleven billion, two hundred two million, two hundred two thousand, two hundred twenty-one".