10000111212222 has 32 divisors (see below), whose sum is σ = 20540971440000. Its totient is φ = 3243247344288.

The previous prime is 10000111212163. The next prime is 10000111212257. The reversal of 10000111212222 is 22221211100001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34688029 + ... + 34975127.

It is an arithmetic number, because the mean of its divisors is an integer number (641905357500).

Almost surely, 2^{10000111212222} is an apocalyptic number.

10000111212222 is an abundant number, since it is smaller than the sum of its proper divisors (10540860227778).

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

10000111212222 is a wasteful number, since it uses less digits than its factorization.

10000111212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444040.

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

Adding to 10000111212222 its reverse (22221211100001), we get a palindrome (32221322312223).

The spelling of 10000111212222 in words is "ten trillion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-two".