1001100000222 has 80 divisors (see below), whose sum is σ = 2623283701632. Its totient is φ = 279376730640.

The previous prime is 1001100000211. The next prime is 1001100000239. The reversal of 1001100000222 is 2220000011001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10216404 + ... + 10313927.

Almost surely, 2^{1001100000222} is an apocalyptic number.

1001100000222 is an abundant number, since it is smaller than the sum of its proper divisors (1622183701410).

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

1001100000222 is a wasteful number, since it uses less digits than its factorization.

1001100000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530395 (or 20530386 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1001100000222 its reverse (2220000011001), we get a palindrome (3221100011223).

The spelling of 1001100000222 in words is "one trillion, one billion, one hundred million, two hundred twenty-two", and thus it is an aban number.