20211301310100 has 72 divisors (see below), whose sum is σ = 58502635466688. Its totient is φ = 5387412729600.

The previous prime is 20211301310027. The next prime is 20211301310107. The reversal of 20211301310100 is 101310311202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20211301310100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211301310107) 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, 13458336 + ... + 14884535.

It is an arithmetic number, because the mean of its divisors is an integer number (812536603704).

Almost surely, 2^{20211301310100} is an apocalyptic number.

20211301310100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211301310100 is an abundant number, since it is smaller than the sum of its proper divisors (38291334156588).

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

20211301310100 is a wasteful number, since it uses less digits than its factorization.

20211301310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28345265 (or 28345258 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20211301310100 its reverse (101310311202), we get a palindrome (20312611621302).

The spelling of 20211301310100 in words is "twenty trillion, two hundred eleven billion, three hundred one million, three hundred ten thousand, one hundred".