100100012022020 has 24 divisors (see below), whose sum is σ = 219349591562304. Its totient is φ = 38299135034336.

The previous prime is 100100012022019. The next prime is 100100012022053. The reversal of 100100012022020 is 20220210001001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100100012021992 and 100100012022010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108804360434 + ... + 108804361353.

It is an arithmetic number, because the mean of its divisors is an integer number (9139566315096).

Almost surely, 2^{100100012022020} is an apocalyptic number.

100100012022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100012022020 is an abundant number, since it is smaller than the sum of its proper divisors (119249579540284).

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

100100012022020 is a wasteful number, since it uses less digits than its factorization.

100100012022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217608721819 (or 217608721817 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100100012022020 its reverse (20220210001001), we get a palindrome (120320222023021).

The spelling of 100100012022020 in words is "one hundred trillion, one hundred billion, twelve million, twenty-two thousand, twenty".