100000221010 has 8 divisors (see below), whose sum is σ = 180000397836. Its totient is φ = 40000088400.

The previous prime is 100000220989. The next prime is 100000221017. The reversal of 100000221010 is 10122000001.

It can be written as a sum of positive squares in 2 ways, for example, as 99079523361 + 920697649 = 314769^2 + 30343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100000220984 and 100000221002.

It is not an unprimeable number, because it can be changed into a prime (100000221017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000011041 + ... + 5000011060.

Almost surely, 2^100000221010 is an apocalyptic number.

100000221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100000221010 is a deficient number, since it is larger than the sum of its proper divisors (80000176826).

100000221010 is a wasteful number, since it uses less digits than its factorization.

100000221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000022108.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100000221010 its reverse (10122000001), we get a palindrome (110122221011).

The spelling of 100000221010 in words is "one hundred billion, two hundred twenty-one thousand, ten".