2201201221100 has 108 divisors (see below), whose sum is σ = 5634721698480. Its totient is φ = 744067900800.

The previous prime is 2201201221081. The next prime is 2201201221127. The reversal of 2201201221100 is 11221021022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2815655 + ... + 3511454.

It is an arithmetic number, because the mean of its divisors is an integer number (52173349060).

Almost surely, 2^{2201201221100} is an apocalyptic number.

2201201221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201201221100 is an abundant number, since it is smaller than the sum of its proper divisors (3433520477380).

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

2201201221100 is a wasteful number, since it uses less digits than its factorization.

2201201221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327208 (or 6327194 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201201221100 its reverse (11221021022), we get a palindrome (2212422242122).

The spelling of 2201201221100 in words is "two trillion, two hundred one billion, two hundred one million, two hundred twenty-one thousand, one hundred".