100020120201100 has 108 divisors (see below), whose sum is σ = 239810008474008. Its totient is φ = 35910558528000.

The previous prime is 100020120201031. The next prime is 100020120201119. The reversal of 100020120201100 is 1102021020001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 419581 + ... + 14149780.

It is an arithmetic number, because the mean of its divisors is an integer number (2220463041426).

Almost surely, 2^{100020120201100} is an apocalyptic number.

100020120201100 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 100020120201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119905004237004).

100020120201100 is an abundant number, since it is smaller than the sum of its proper divisors (139789888272908).

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

100020120201100 is a wasteful number, since it uses less digits than its factorization.

100020120201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14569544 (or 14569458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100020120201100 its reverse (1102021020001), we get a palindrome (101122141221101).

The spelling of 100020120201100 in words is "one hundred trillion, twenty billion, one hundred twenty million, two hundred one thousand, one hundred".