100111022211222 has 48 divisors (see below), whose sum is σ = 243021351233232. Its totient is φ = 29516763303360.

The previous prime is 100111022211217. The next prime is 100111022211223. The reversal of 100111022211222 is 222112220111001.

100111022211222 is a `hidden beast` number, since 100 + 1 + 110 + 22 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100111022211195 and 100111022211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111022211223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6832576773 + ... + 6832591424.

It is an arithmetic number, because the mean of its divisors is an integer number (5062944817359).

Almost surely, 2^{100111022211222} is an apocalyptic number.

100111022211222 is an abundant number, since it is smaller than the sum of its proper divisors (142910329022010).

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

100111022211222 is a wasteful number, since it uses less digits than its factorization.

100111022211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665168253 (or 13665168250 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100111022211222 its reverse (222112220111001), we get a palindrome (322223242322223).

The spelling of 100111022211222 in words is "one hundred trillion, one hundred eleven billion, twenty-two million, two hundred eleven thousand, two hundred twenty-two".