100001001102020 has 24 divisors (see below), whose sum is σ = 210059308162368. Its totient is φ = 39989504088800.

The previous prime is 100001001101957. The next prime is 100001001102031. The reversal of 100001001102020 is 20201100100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001001101989 and 100001001102007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680946746 + ... + 681093585.

It is an arithmetic number, because the mean of its divisors is an integer number (8752471173432).

Almost surely, 2^{100001001102020} is an apocalyptic number.

100001001102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001001102020 is an abundant number, since it is smaller than the sum of its proper divisors (110058307060348).

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

100001001102020 is a wasteful number, since it uses less digits than its factorization.

100001001102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362044011 (or 1362044009 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100001001102020 its reverse (20201100100001), we get a palindrome (120202101202021).

The spelling of 100001001102020 in words is "one hundred trillion, one billion, one million, one hundred two thousand, twenty".