100221220010 has 16 divisors (see below), whose sum is σ = 180412876800. Its totient is φ = 40085225616.

The previous prime is 100221219997. The next prime is 100221220019. The reversal of 100221220010 is 10022122001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100221219973 and 100221220000.

It is not an unprimeable number, because it can be changed into a prime (100221220019) 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, 276770 + ... + 526349.

It is an arithmetic number, because the mean of its divisors is an integer number (11275804800).

Almost surely, 2^100221220010 is an apocalyptic number.

100221220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221220010 is a deficient number, since it is larger than the sum of its proper divisors (80191656790).

100221220010 is a wasteful number, since it uses less digits than its factorization.

100221220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815605.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100221220010 its reverse (10022122001), we get a palindrome (110243342011).

The spelling of 100221220010 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty thousand, ten".