10111222122 has 16 divisors (see below), whose sum is σ = 20229936192. Its totient is φ = 3369158720.

The previous prime is 10111222111. The next prime is 10111222123. The reversal of 10111222122 is 22122211101.

It is not an unprimeable number, because it can be changed into a prime (10111222123) 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, 294543 + ... + 327074.

It is an arithmetic number, because the mean of its divisors is an integer number (1264371012).

Almost surely, 2^10111222122 is an apocalyptic number.

10111222122 is an abundant number, since it is smaller than the sum of its proper divisors (10118714070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111222122 is a wasteful number, since it uses less digits than its factorization.

10111222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624333.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10111222122 its reverse (22122211101), we get a palindrome (32233433223).

The spelling of 10111222122 in words is "ten billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".