10222102121111 has 4 divisors (see below), whose sum is σ = 10666541343792. Its totient is φ = 9777662898432.

The previous prime is 10222102121093. The next prime is 10222102121113. The reversal of 10222102121111 is 11112120122201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10222102121111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10222102121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222102121113) 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, 222219611306 + ... + 222219611351.

It is an arithmetic number, because the mean of its divisors is an integer number (2666635335948).

Almost surely, 2^{10222102121111} is an apocalyptic number.

10222102121111 is a deficient number, since it is larger than the sum of its proper divisors (444439222681).

10222102121111 is an equidigital number, since it uses as much as digits as its factorization.

10222102121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444439222680.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10222102121111 its reverse (11112120122201), we get a palindrome (21334222243312).

The spelling of 10222102121111 in words is "ten trillion, two hundred twenty-two billion, one hundred two million, one hundred twenty-one thousand, one hundred eleven".