1022200012100 has 36 divisors (see below), whose sum is σ = 2218716066000. Its totient is φ = 408780089760.

The previous prime is 1022200012079. The next prime is 1022200012123. The reversal of 1022200012100 is 12100022201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836990 + ... + 1656789.

Almost surely, 2^{1022200012100} is an apocalyptic number.

1022200012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022200012100 is an abundant number, since it is smaller than the sum of its proper divisors (1196516053900).

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

1022200012100 is a wasteful number, since it uses less digits than its factorization.

1022200012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497892 (or 2497885 counting only the distinct ones).

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

Adding to 1022200012100 its reverse (12100022201), we get a palindrome (1034300034301).

The spelling of 1022200012100 in words is "one trillion, twenty-two billion, two hundred million, twelve thousand, one hundred".