102002211222202 has 4 divisors (see below), whose sum is σ = 153003316833306. Its totient is φ = 51001105611100.

The previous prime is 102002211222173. The next prime is 102002211222221. The reversal of 102002211222202 is 202222112200201.

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., 94725429824601 + 7276781397601 = 9732699^2 + 2697551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102002211222202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500552805549 + ... + 25500552805552.

Almost surely, 2^{102002211222202} is an apocalyptic number.

102002211222202 is a deficient number, since it is larger than the sum of its proper divisors (51001105611104).

102002211222202 is an equidigital number, since it uses as much as digits as its factorization.

102002211222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51001105611103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102002211222202 its reverse (202222112200201), we get a palindrome (304224323422403).

The spelling of 102002211222202 in words is "one hundred two trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred two".