102210201202 has 4 divisors (see below), whose sum is σ = 153315301806. Its totient is φ = 51105100600.

The previous prime is 102210201199. The next prime is 102210201221. The reversal of 102210201202 is 202102012201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70601272681 + 31608928521 = 265709^2 + 177789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552550299 + ... + 25552550302.

Almost surely, 2^102210201202 is an apocalyptic number.

102210201202 is a deficient number, since it is larger than the sum of its proper divisors (51105100604).

102210201202 is an equidigital number, since it uses as much as digits as its factorization.

102210201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51105100603.

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

Adding to 102210201202 its reverse (202102012201), we get a palindrome (304312213403).

The spelling of 102210201202 in words is "one hundred two billion, two hundred ten million, two hundred one thousand, two hundred two".