102210202021 has 8 divisors (see below), whose sum is σ = 110094580224. Its totient is φ = 94612528560.

The previous prime is 102210202019. The next prime is 102210202033. The reversal of 102210202021 is 120202012201.

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 102210202021 - 2¹ = 102210202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102210201992 and 102210202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210202121) 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, 71675446 + ... + 71676871.

It is an arithmetic number, because the mean of its divisors is an integer number (13761822528).

Almost surely, 2^102210202021 is an apocalyptic number.

It is an amenable number.

102210202021 is a deficient number, since it is larger than the sum of its proper divisors (7884378203).

102210202021 is a wasteful number, since it uses less digits than its factorization.

102210202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143352371.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102210202021 its reverse (120202012201), we get a palindrome (222412214222).

The spelling of 102210202021 in words is "one hundred two billion, two hundred ten million, two hundred two thousand, twenty-one".