100010212221 has 8 divisors (see below), whose sum is σ = 134667216864. Its totient is φ = 66013341200.

The previous prime is 100010212219. The next prime is 100010212273. The reversal of 100010212221 is 122212010001.

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

It is a cyclic number.

It is not a de Polignac number, because 100010212221 - 2¹ = 100010212219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100010212197 and 100010212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010212021) 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, 165033051 + ... + 165033656.

It is an arithmetic number, because the mean of its divisors is an integer number (16833402108).

Almost surely, 2^100010212221 is an apocalyptic number.

It is an amenable number.

100010212221 is a deficient number, since it is larger than the sum of its proper divisors (34657004643).

100010212221 is a wasteful number, since it uses less digits than its factorization.

100010212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330066811.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100010212221 its reverse (122212010001), we get a palindrome (222222222222).

The spelling of 100010212221 in words is "one hundred billion, ten million, two hundred twelve thousand, two hundred twenty-one".