10102211221 has 8 divisors (see below), whose sum is σ = 10275920640. Its totient is φ = 9928584768.

The previous prime is 10102211209. The next prime is 10102211267. The reversal of 10102211221 is 12211220101.

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 10102211221 - 2⁹ = 10102210709 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 (10102211201) 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, 256380 + ... + 293146.

It is an arithmetic number, because the mean of its divisors is an integer number (1284490080).

Almost surely, 2^10102211221 is an apocalyptic number.

It is an amenable number.

10102211221 is a deficient number, since it is larger than the sum of its proper divisors (173709419).

10102211221 is an equidigital number, since it uses as much as digits as its factorization.

10102211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41483.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10102211221 its reverse (12211220101), we get a palindrome (22313431322).

The spelling of 10102211221 in words is "ten billion, one hundred two million, two hundred eleven thousand, two hundred twenty-one".