2201121101200 has 90 divisors (see below), whose sum is σ = 6151572022146. Its totient is φ = 754670085120.

The previous prime is 2201121101173. The next prime is 2201121101213. The reversal of 2201121101200 is 21011211022.

It can be written as a sum of positive squares in 3 ways, for example, as 622539936144 + 1578581165056 = 789012^2 + 1256416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56131449 + ... + 56170648.

Almost surely, 2^{2201121101200} is an apocalyptic number.

2201121101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201121101200 is an abundant number, since it is smaller than the sum of its proper divisors (3950450920946).

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

2201121101200 is a wasteful number, since it uses less digits than its factorization.

2201121101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112302129 (or 112302111 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201121101200 its reverse (21011211022), we get a palindrome (2222132312222).

The spelling of 2201121101200 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred one thousand, two hundred".