10102110101221 has 8 divisors (see below), whose sum is σ = 10112285368224. Its totient is φ = 10091935236240.

The previous prime is 10102110101207. The next prime is 10102110101287. The reversal of 10102110101221 is 12210101120101.

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 10102110101221 - 2³³ = 10093520166629 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 (10102110102221) 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, 95950410 + ... + 96055636.

It is an arithmetic number, because the mean of its divisors is an integer number (1264035671028).

Almost surely, 2^{10102110101221} is an apocalyptic number.

It is an amenable number.

10102110101221 is a deficient number, since it is larger than the sum of its proper divisors (10175267003).

10102110101221 is a wasteful number, since it uses less digits than its factorization.

10102110101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201011.

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

Adding to 10102110101221 its reverse (12210101120101), we get a palindrome (22312211221322).

The spelling of 10102110101221 in words is "ten trillion, one hundred two billion, one hundred ten million, one hundred one thousand, two hundred twenty-one".