10102102022221 has 8 divisors (see below), whose sum is σ = 11052234231264. Its totient is φ = 9157263029520.

The previous prime is 10102102022189. The next prime is 10102102022227. The reversal of 10102102022221 is 12222020120101.

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 10102102022221 - 2⁵ = 10102102022189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102102022195 and 10102102022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102102022227) 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, 1323300090 + ... + 1323307723.

It is an arithmetic number, because the mean of its divisors is an integer number (1381529278908).

Almost surely, 2^{10102102022221} is an apocalyptic number.

10102102022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10102102022221 is a deficient number, since it is larger than the sum of its proper divisors (950132209043).

10102102022221 is a wasteful number, since it uses less digits than its factorization.

10102102022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646608171.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10102102022221 its reverse (12222020120101), we get a palindrome (22324122142322).

The spelling of 10102102022221 in words is "ten trillion, one hundred two billion, one hundred two million, twenty-two thousand, two hundred twenty-one".