100002222102212 has 6 divisors (see below), whose sum is σ = 175003888678878. Its totient is φ = 50001111051104.

The previous prime is 100002222102191. The next prime is 100002222102221. The reversal of 100002222102212 is 212201222200001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 94035028431556 + 5967193670656 = 9697166^2 + 2442784^2 .

It is a super-5 number, since 5×100002222102212⁵ (a number of 71 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500277762773 + ... + 12500277762780.

It is an arithmetic number, because the mean of its divisors is an integer number (29167314779813).

Almost surely, 2^{100002222102212} is an apocalyptic number.

It is an amenable number.

100002222102212 is a deficient number, since it is larger than the sum of its proper divisors (75001666576666).

100002222102212 is a wasteful number, since it uses less digits than its factorization.

100002222102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000555525557 (or 25000555525555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100002222102212 its reverse (212201222200001), we get a palindrome (312203444302213).

The spelling of 100002222102212 in words is "one hundred trillion, two billion, two hundred twenty-two million, one hundred two thousand, two hundred twelve".