2201121122200 has 192 divisors, whose sum is σ = 6871192715520. Its totient is φ = 633289536000.

The previous prime is 2201121122191. The next prime is 2201121122209. The reversal of 2201121122200 is 22211211022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2201121122191) and next prime (2201121122209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201121122209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5297106 + ... + 5697505.

It is an arithmetic number, because the mean of its divisors is an integer number (35787462060).

Almost surely, 2^{2201121122200} is an apocalyptic number.

2201121122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201121122200 is an abundant number, since it is smaller than the sum of its proper divisors (4670071593320).

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

2201121122200 is a wasteful number, since it uses less digits than its factorization.

2201121122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994658 (or 10994649 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201121122200 its reverse (22211211022), we get a palindrome (2223332333222).

The spelling of 2201121122200 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred".