102222202222202 has 4 divisors (see below), whose sum is σ = 153333303333306. Its totient is φ = 51111101111100.

The previous prime is 102222202222121. The next prime is 102222202222279. The reversal of 102222202222202 is 202222202222201.

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., 102214910599321 + 7291622881 = 10110139^2 + 85391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555550555549 + ... + 25555550555552.

Almost surely, 2^{102222202222202} is an apocalyptic number.

102222202222202 is a deficient number, since it is larger than the sum of its proper divisors (51111101111104).

102222202222202 is an equidigital number, since it uses as much as digits as its factorization.

102222202222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51111101111103.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 102222202222202 its reverse (202222202222201), we get a palindrome (304444404444403).

Subtracting 102222202222202 from its reverse (202222202222201), we obtain a palindrome (99999999999999).

The spelling of 102222202222202 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred two".