10100110211221 has 8 divisors (see below), whose sum is σ = 10634201928000. Its totient is φ = 9566269191360.

The previous prime is 10100110211209. The next prime is 10100110211249. The reversal of 10100110211221 is 12211201100101.

It is a happy number.

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 10100110211221 - 2³⁹ = 9550354397333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100110211201) 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, 62591521 + ... + 62752678.

It is an arithmetic number, because the mean of its divisors is an integer number (1329275241000).

Almost surely, 2^{10100110211221} is an apocalyptic number.

It is an amenable number.

10100110211221 is a deficient number, since it is larger than the sum of its proper divisors (534091716779).

10100110211221 is a wasteful number, since it uses less digits than its factorization.

10100110211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125348459.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10100110211221 its reverse (12211201100101), we get a palindrome (22311311311322).

The spelling of 10100110211221 in words is "ten trillion, one hundred billion, one hundred ten million, two hundred eleven thousand, two hundred twenty-one".