100202212201020 has 48 divisors (see below), whose sum is σ = 280572287546880. Its totient is φ = 26720009598016.

The previous prime is 100202212200989. The next prime is 100202212201033. The reversal of 100202212201020 is 20102212202001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15345840 + ... + 20878199.

It is an arithmetic number, because the mean of its divisors is an integer number (5845255990560).

Almost surely, 2^{100202212201020} is an apocalyptic number.

100202212201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202212201020 is an abundant number, since it is smaller than the sum of its proper divisors (180370075345860).

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

100202212201020 is a wasteful number, since it uses less digits than its factorization.

100202212201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36270154 (or 36270152 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100202212201020 its reverse (20102212202001), we get a palindrome (120304424403021).

The spelling of 100202212201020 in words is "one hundred trillion, two hundred two billion, two hundred twelve million, two hundred one thousand, twenty".