2201221012110 has 64 divisors (see below), whose sum is σ = 5316195732480. Its totient is φ = 583300759680.

The previous prime is 2201221012091. The next prime is 2201221012117. The reversal of 2201221012110 is 112101221022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2201221012110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201221012117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7497480 + ... + 7785540.

It is an arithmetic number, because the mean of its divisors is an integer number (83065558320).

Almost surely, 2^{2201221012110} is an apocalyptic number.

2201221012110 is an abundant number, since it is smaller than the sum of its proper divisors (3114974720370).

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

2201221012110 is a wasteful number, since it uses less digits than its factorization.

2201221012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289673.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201221012110 its reverse (112101221022), we get a palindrome (2313322233132).

The spelling of 2201221012110 in words is "two trillion, two hundred one billion, two hundred twenty-one million, twelve thousand, one hundred ten".