102210021202 has 8 divisors (see below), whose sum is σ = 153362171916. Its totient is φ = 51089297232.

The previous prime is 102210021187. The next prime is 102210021217. The reversal of 102210021202 is 202120012201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102210021187) and next prime (102210021217).

It can be written as a sum of positive squares in 2 ways, for example, as 78809894361 + 23400126841 = 280731^2 + 152971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×102210021202³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7848553 + ... + 7861564.

Almost surely, 2^102210021202 is an apocalyptic number.

102210021202 is a deficient number, since it is larger than the sum of its proper divisors (51152150714).

102210021202 is a wasteful number, since it uses less digits than its factorization.

102210021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15713372.

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

Adding to 102210021202 its reverse (202120012201), we get a palindrome (304330033403).

Subtracting 102210021202 from its reverse (202120012201), we obtain a palindrome (99909990999).

The spelling of 102210021202 in words is "one hundred two billion, two hundred ten million, twenty-one thousand, two hundred two".