10112122220111 has 4 divisors (see below), whose sum is σ = 10460816089800. Its totient is φ = 9763428350424.

The previous prime is 10112122220099. The next prime is 10112122220119. The reversal of 10112122220111 is 11102222121101.

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

It is a cyclic number.

It is not a de Polignac number, because 10112122220111 - 2⁶ = 10112122220047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10112122220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112122220119) 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, 174346934801 + ... + 174346934858.

It is an arithmetic number, because the mean of its divisors is an integer number (2615204022450).

Almost surely, 2^{10112122220111} is an apocalyptic number.

10112122220111 is a deficient number, since it is larger than the sum of its proper divisors (348693869689).

10112122220111 is an equidigital number, since it uses as much as digits as its factorization.

10112122220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348693869688.

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

Adding to 10112122220111 its reverse (11102222121101), we get a palindrome (21214344341212).

It can be divided in two parts, 1011212 and 2220111, that added together give a palindrome (3231323).

The spelling of 10112122220111 in words is "ten trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred eleven".