102002222102002 has 4 divisors (see below), whose sum is σ = 153003333153006. Its totient is φ = 51001111051000.

The previous prime is 102002222101987. The next prime is 102002222102141. The reversal of 102002222102002 is 200201222200201.

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., 80811308019121 + 21190914082881 = 8989511^2 + 4603359^2 .

It is a super-2 number, since 2×102002222102002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500555525499 + ... + 25500555525502.

Almost surely, 2^{102002222102002} is an apocalyptic number.

102002222102002 is a deficient number, since it is larger than the sum of its proper divisors (51001111051004).

102002222102002 is an equidigital number, since it uses as much as digits as its factorization.

102002222102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51001111051003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102002222102002 its reverse (200201222200201), we get a palindrome (302203444302203).

The spelling of 102002222102002 in words is "one hundred two trillion, two billion, two hundred twenty-two million, one hundred two thousand, two".