100020020022100 has 72 divisors (see below), whose sum is σ = 226538371241280. Its totient is φ = 38258685780480.

The previous prime is 100020020022089. The next prime is 100020020022203. The reversal of 100020020022100 is 1220020020001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3353679 + ... + 14535721.

It is an arithmetic number, because the mean of its divisors is an integer number (3146366267240).

Almost surely, 2^{100020020022100} is an apocalyptic number.

100020020022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100020020022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113269185620640).

100020020022100 is an abundant number, since it is smaller than the sum of its proper divisors (126518351219180).

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

100020020022100 is a wasteful number, since it uses less digits than its factorization.

100020020022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185969 (or 11185962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100020020022100 its reverse (1220020020001), we get a palindrome (101240040042101).

The spelling of 100020020022100 in words is "one hundred trillion, twenty billion, twenty million, twenty-two thousand, one hundred".