10100201220 has 72 divisors (see below), whose sum is σ = 30791342400. Its totient is φ = 2679842880.

The previous prime is 10100201219. The next prime is 10100201227. The reversal of 10100201220 is 2210200101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10100201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105166 + ... + 176805.

Almost surely, 2^10100201220 is an apocalyptic number.

10100201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100201220 is an abundant number, since it is smaller than the sum of its proper divisors (20691141180).

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

10100201220 is a wasteful number, since it uses less digits than its factorization.

10100201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282185 (or 282180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10100201220 its reverse (2210200101), we get a palindrome (12310401321).

The spelling of 10100201220 in words is "ten billion, one hundred million, two hundred one thousand, two hundred twenty".