100111121222 has 16 divisors (see below), whose sum is σ = 171960268032. Its totient is φ = 42819465480.

The previous prime is 100111121191. The next prime is 100111121233. The reversal of 100111121222 is 222121111001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 100111121197 and 100111121206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7101104 + ... + 7115187.

It is an arithmetic number, because the mean of its divisors is an integer number (10747516752).

Almost surely, 2^100111121222 is an apocalyptic number.

100111121222 is a deficient number, since it is larger than the sum of its proper divisors (71849146810).

100111121222 is a wasteful number, since it uses less digits than its factorization.

100111121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14216803.

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

Adding to 100111121222 its reverse (222121111001), we get a palindrome (322232232223).

The spelling of 100111121222 in words is "one hundred billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".