210220200100 has 36 divisors (see below), whose sum is σ = 476011658304. Its totient is φ = 80432075680.

The previous prime is 210220200079. The next prime is 210220200107. The reversal of 210220200100 is 1002022012.

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

It is not an unprimeable number, because it can be changed into a prime (210220200107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45697744 + ... + 45702343.

It is an arithmetic number, because the mean of its divisors is an integer number (13222546064).

Almost surely, 2^210220200100 is an apocalyptic number.

210220200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220200100 is an abundant number, since it is smaller than the sum of its proper divisors (265791458204).

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

210220200100 is a wasteful number, since it uses less digits than its factorization.

210220200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91400124 (or 91400117 counting only the distinct ones).

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

Adding to 210220200100 its reverse (1002022012), we get a palindrome (211222222112).

The spelling of 210220200100 in words is "two hundred ten billion, two hundred twenty million, two hundred thousand, one hundred".