1000011222200 has 24 divisors (see below), whose sum is σ = 2325026092080. Its totient is φ = 400004488800.

The previous prime is 1000011222169. The next prime is 1000011222209. The reversal of 1000011222200 is 22221100001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011222209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500027856 + ... + 2500028255.

It is an arithmetic number, because the mean of its divisors is an integer number (96876087170).

Almost surely, 2^{1000011222200} is an apocalyptic number.

1000011222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000011222200 is an abundant number, since it is smaller than the sum of its proper divisors (1325014869880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000011222200 is a wasteful number, since it uses less digits than its factorization.

1000011222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000056127 (or 5000056118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000011222200 its reverse (22221100001), we get a palindrome (1022232322201).

The spelling of 1000011222200 in words is "one trillion, eleven million, two hundred twenty-two thousand, two hundred".