2201101144 has 64 divisors (see below), whose sum is σ = 4561194240. Its totient is φ = 987500160.

The previous prime is 2201101139. The next prime is 2201101223. The reversal of 2201101144 is 4411011022.

It is a happy number.

It is a super-2 number, since 2×2201101144² = 9689692492236217472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481069 + ... + 2481955.

It is an arithmetic number, because the mean of its divisors is an integer number (71268660).

Almost surely, 2^2201101144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201101144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2280597120).

2201101144 is an abundant number, since it is smaller than the sum of its proper divisors (2360093096).

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

2201101144 is a wasteful number, since it uses less digits than its factorization.

2201101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1236 counting only the distinct ones).

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

The square root of 2201101144 is about 46915.8943642770. The cubic root of 2201101144 is about 1300.8084013357.

Adding to 2201101144 its reverse (4411011022), we get a palindrome (6612112166).

The spelling of 2201101144 in words is "two billion, two hundred one million, one hundred one thousand, one hundred forty-four".