1202200221100 has 18 divisors (see below), whose sum is σ = 2608774480004. Its totient is φ = 480880088400.

The previous prime is 1202200221097. The next prime is 1202200221107. The reversal of 1202200221100 is 11220022021.

It is a happy number.

It is a super-2 number, since 2×1202200221100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202200221107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6011001006 + ... + 6011001205.

Almost surely, 2^{1202200221100} is an apocalyptic number.

1202200221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202200221100 is an abundant number, since it is smaller than the sum of its proper divisors (1406574258904).

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

1202200221100 is a wasteful number, since it uses less digits than its factorization.

1202200221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12022002225 (or 12022002218 counting only the distinct ones).

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

Adding to 1202200221100 its reverse (11220022021), we get a palindrome (1213420243121).

The spelling of 1202200221100 in words is "one trillion, two hundred two billion, two hundred million, two hundred twenty-one thousand, one hundred".