2201200121100 has 36 divisors (see below), whose sum is σ = 6368805684584. Its totient is φ = 586986698880.

The previous prime is 2201200121051. The next prime is 2201200121123. The reversal of 2201200121100 is 11210021022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3668666569 + ... + 3668667168.

Almost surely, 2^{2201200121100} is an apocalyptic number.

2201200121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201200121100 is an abundant number, since it is smaller than the sum of its proper divisors (4167605563484).

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

2201200121100 is a wasteful number, since it uses less digits than its factorization.

2201200121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337333754 (or 7337333747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2201200121100 its reverse (11210021022), we get a palindrome (2212410142122).

The spelling of 2201200121100 in words is "two trillion, two hundred one billion, two hundred million, one hundred twenty-one thousand, one hundred".