100122200222020 has 48 divisors (see below), whose sum is σ = 212793571992960. Its totient is φ = 39565668185856.

The previous prime is 100122200222017. The next prime is 100122200222021. The reversal of 100122200222020 is 20222002221001.

It is a junction number, because it is equal to n+sod(n) for n = 100122200221985 and 100122200222003.

It is not an unprimeable number, because it can be changed into a prime (100122200222021) 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, 99669616 + ... + 100669144.

It is an arithmetic number, because the mean of its divisors is an integer number (4433199416520).

Almost surely, 2^{100122200222020} is an apocalyptic number.

100122200222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122200222020 is an abundant number, since it is smaller than the sum of its proper divisors (112671371770940).

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

100122200222020 is a wasteful number, since it uses less digits than its factorization.

100122200222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059964 (or 1059962 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100122200222020 its reverse (20222002221001), we get a palindrome (120344202443021).

The spelling of 100122200222020 in words is "one hundred trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, twenty".