100210221010 has 16 divisors (see below), whose sum is σ = 180407467800. Its totient is φ = 40077628416.

The previous prime is 100210220933. The next prime is 100210221019. The reversal of 100210221010 is 10122012001.

It can be written as a sum of positive squares in 4 ways, for example, as 78466654161 + 21743566849 = 280119^2 + 147457^2 .

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 (100210221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742095 + ... + 866674.

Almost surely, 2^100210221010 is an apocalyptic number.

100210221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100210221010 is a deficient number, since it is larger than the sum of its proper divisors (80197246790).

100210221010 is a wasteful number, since it uses less digits than its factorization.

100210221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615005.

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

Adding to 100210221010 its reverse (10122012001), we get a palindrome (110332233011).

The spelling of 100210221010 in words is "one hundred billion, two hundred ten million, two hundred twenty-one thousand, ten".