100220111220222 has 48 divisors (see below), whose sum is σ = 248165202055680. Its totient is φ = 28634188592016.

The previous prime is 100220111220199. The next prime is 100220111220239. The reversal of 100220111220222 is 222022111022001.

It is a happy number.

100220111220222 is a `hidden beast` number, since 1 + 0 + 0 + 220 + 1 + 1 + 1 + 220 + 222 = 666.

100220111220222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 = 100220111220195 and 100220111220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28311543 + ... + 31654125.

It is an arithmetic number, because the mean of its divisors is an integer number (5170108376160).

Almost surely, 2^{100220111220222} is an apocalyptic number.

100220111220222 is an abundant number, since it is smaller than the sum of its proper divisors (147945090835458).

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

100220111220222 is a wasteful number, since it uses less digits than its factorization.

100220111220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580557 (or 3580554 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100220111220222 its reverse (222022111022001), we get a palindrome (322242222242223).

The spelling of 100220111220222 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty thousand, two hundred twenty-two".