10102210211221 has 8 divisors (see below), whose sum is σ = 10453757299200. Its totient is φ = 9750876124080.

The previous prime is 10102210211209. The next prime is 10102210211227. The reversal of 10102210211221 is 12211201220101.

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 10102210211221 - 2¹⁵ = 10102210178453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102210211195 and 10102210211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102210211227) 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, 53153701 + ... + 53343418.

It is an arithmetic number, because the mean of its divisors is an integer number (1306719662400).

Almost surely, 2^{10102210211221} is an apocalyptic number.

It is an amenable number.

10102210211221 is a deficient number, since it is larger than the sum of its proper divisors (351547087979).

10102210211221 is a wasteful number, since it uses less digits than its factorization.

10102210211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106500419.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10102210211221 its reverse (12211201220101), we get a palindrome (22313411431322).

The spelling of 10102210211221 in words is "ten trillion, one hundred two billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-one".