1001100222202 has 16 divisors (see below), whose sum is σ = 1522286624232. Its totient is φ = 493671939840.

The previous prime is 1001100222197. The next prime is 1001100222247. The reversal of 1001100222202 is 2022220011001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 739395334161 + 261704888041 = 859881^2 + 511571^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3561468 + ... + 3832264.

Almost surely, 2^{1001100222202} is an apocalyptic number.

1001100222202 is a deficient number, since it is larger than the sum of its proper divisors (521186402030).

1001100222202 is a wasteful number, since it uses less digits than its factorization.

1001100222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296193.

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

Adding to 1001100222202 its reverse (2022220011001), we get a palindrome (3023320233203).

The spelling of 1001100222202 in words is "one trillion, one billion, one hundred million, two hundred twenty-two thousand, two hundred two".