10102222022221 has 4 divisors (see below), whose sum is σ = 11545396596832. Its totient is φ = 8659047447612.

The previous prime is 10102222022203. The next prime is 10102222022287. The reversal of 10102222022221 is 12222022220101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10102222022221 - 2³⁹ = 9552466208333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102222020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721587287295 + ... + 721587287308.

It is an arithmetic number, because the mean of its divisors is an integer number (2886349149208).

Almost surely, 2^{10102222022221} is an apocalyptic number.

It is an amenable number.

10102222022221 is a deficient number, since it is larger than the sum of its proper divisors (1443174574611).

10102222022221 is an equidigital number, since it uses as much as digits as its factorization.

10102222022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443174574610.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10102222022221 its reverse (12222022220101), we get a palindrome (22324244242322).

The spelling of 10102222022221 in words is "ten trillion, one hundred two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-one".