100122110022018 has 32 divisors (see below), whose sum is σ = 228851748172800. Its totient is φ = 28606165776720.

The previous prime is 100122110022017. The next prime is 100122110022241. The reversal of 100122110022018 is 810220011221001.

It is a super-2 number, since 2×100122110022018² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 100122110021985 and 100122110022003.

It is not an unprimeable number, because it can be changed into a prime (100122110022017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848523 + ... + 14270993.

It is an arithmetic number, because the mean of its divisors is an integer number (7151617130400).

Almost surely, 2^{100122110022018} is an apocalyptic number.

100122110022018 is an abundant number, since it is smaller than the sum of its proper divisors (128729638150782).

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

100122110022018 is a wasteful number, since it uses less digits than its factorization.

100122110022018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614382.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 100122110022018 its reverse (810220011221001), we get a palindrome (910342121243019).

The spelling of 100122110022018 in words is "one hundred trillion, one hundred twenty-two billion, one hundred ten million, twenty-two thousand, eighteen".