102210010202 has 4 divisors (see below), whose sum is σ = 153315015306. Its totient is φ = 51105005100.

The previous prime is 102210010187. The next prime is 102210010261. The reversal of 102210010202 is 202010012201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202010012201 = 263209 ⋅767489.

It can be written as a sum of positive squares in only one way, i.e., 68900475121 + 33309535081 = 262489^2 + 182509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552502549 + ... + 25552502552.

Almost surely, 2^102210010202 is an apocalyptic number.

102210010202 is a deficient number, since it is larger than the sum of its proper divisors (51105005104).

102210010202 is an equidigital number, since it uses as much as digits as its factorization.

102210010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105005103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102210010202 its reverse (202010012201), we get a palindrome (304220022403).

The spelling of 102210010202 in words is "one hundred two billion, two hundred ten million, ten thousand, two hundred two".