1201100220200 has 48 divisors (see below), whose sum is σ = 2795721002880. Its totient is φ = 479895917760.

The previous prime is 1201100220167. The next prime is 1201100220211. The reversal of 1201100220200 is 20220011021.

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, 3224024 + ... + 3577223.

It is an arithmetic number, because the mean of its divisors is an integer number (58244187560).

Almost surely, 2^{1201100220200} is an apocalyptic number.

1201100220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201100220200 is an abundant number, since it is smaller than the sum of its proper divisors (1594620782680).

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

1201100220200 is a wasteful number, since it uses less digits than its factorization.

1201100220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802146 (or 6802137 counting only the distinct ones).

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

Adding to 1201100220200 its reverse (20220011021), we get a palindrome (1221320231221).

The spelling of 1201100220200 in words is "one trillion, two hundred one billion, one hundred million, two hundred twenty thousand, two hundred".