100000121111222 has 32 divisors (see below), whose sum is σ = 165927138642720. Its totient is φ = 44986297484800.

The previous prime is 100000121111197. The next prime is 100000121111243. The reversal of 100000121111222 is 222111121000001.

It is a junction number, because it is equal to n+sod(n) for n = 100000121111197 and 100000121111206.

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, 501979628 + ... + 502178799.

It is an arithmetic number, because the mean of its divisors is an integer number (5185223082585).

Almost surely, 2^{100000121111222} is an apocalyptic number.

100000121111222 is a deficient number, since it is larger than the sum of its proper divisors (65927017531498).

100000121111222 is a wasteful number, since it uses less digits than its factorization.

100000121111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004158576.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100000121111222 its reverse (222111121000001), we get a palindrome (322111242111223).

The spelling of 100000121111222 in words is "one hundred trillion, one hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".