10222110121111 has 4 divisors (see below), whose sum is σ = 11682411566992. Its totient is φ = 8761808675232.

The previous prime is 10222110121051. The next prime is 10222110121133. The reversal of 10222110121111 is 11112101122201.

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-10222110121111 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 (10222110121141) 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, 730150722930 + ... + 730150722943.

It is an arithmetic number, because the mean of its divisors is an integer number (2920602891748).

Almost surely, 2^{10222110121111} is an apocalyptic number.

10222110121111 is a deficient number, since it is larger than the sum of its proper divisors (1460301445881).

10222110121111 is an equidigital number, since it uses as much as digits as its factorization.

10222110121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460301445880.

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

Adding to 10222110121111 its reverse (11112101122201), we get a palindrome (21334211243312).

The spelling of 10222110121111 in words is "ten trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, one hundred eleven".