100120100022 has 24 divisors (see below), whose sum is σ = 217131379920. Its totient is φ = 33341905680.

The previous prime is 100120100011. The next prime is 100120100029. The reversal of 100120100022 is 220001021001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100120099977 and 100120100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120100029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2602122 + ... + 2640317.

It is an arithmetic number, because the mean of its divisors is an integer number (9047140830).

Almost surely, 2^100120100022 is an apocalyptic number.

100120100022 is an abundant number, since it is smaller than the sum of its proper divisors (117011279898).

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

100120100022 is a wasteful number, since it uses less digits than its factorization.

100120100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243508 (or 5243505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100120100022 its reverse (220001021001), we get a palindrome (320121121023).

The spelling of 100120100022 in words is "one hundred billion, one hundred twenty million, one hundred thousand, twenty-two".