100112122222222 has 32 divisors (see below), whose sum is σ = 163887228634464. Its totient is φ = 45486793881600.

The previous prime is 100112122222219. The next prime is 100112122222241. The reversal of 100112122222222 is 222222221211001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 100112122222193 and 100112122222202.

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, 547924722 + ... + 548107402.

It is an arithmetic number, because the mean of its divisors is an integer number (5121475894827).

Almost surely, 2^{100112122222222} is an apocalyptic number.

100112122222222 is a deficient number, since it is larger than the sum of its proper divisors (63775106412242).

100112122222222 is a wasteful number, since it uses less digits than its factorization.

100112122222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192804.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 100112122222222 its reverse (222222221211001), we get a palindrome (322334343433223).

The spelling of 100112122222222 in words is "one hundred trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".