100420201100 has 72 divisors (see below), whose sum is σ = 228191228160. Its totient is φ = 38285628480.

The previous prime is 100420201097. The next prime is 100420201109. The reversal of 100420201100 is 1102024001.

100420201100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (100420201109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573761 + ... + 728039.

Almost surely, 2^100420201100 is an apocalyptic number.

100420201100 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 100420201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114095614080).

100420201100 is an abundant number, since it is smaller than the sum of its proper divisors (127771027060).

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

100420201100 is a wasteful number, since it uses less digits than its factorization.

100420201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154599 (or 154592 counting only the distinct ones).

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

Adding to 100420201100 its reverse (1102024001), we get a palindrome (101522225101).

The spelling of 100420201100 in words is "one hundred billion, four hundred twenty million, two hundred one thousand, one hundred".