2201101123 has 12 divisors (see below), whose sum is σ = 2404554120. Its totient is φ = 2013787776.

The previous prime is 2201101099. The next prime is 2201101139. The reversal of 2201101123 is 3211011022.

It is a de Polignac number, because none of the positive numbers 2^k-2201101123 is a prime.

It is a super-2 number, since 2×2201101123² = 9689692307343722258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2201101223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38533 + ... + 76726.

It is an arithmetic number, because the mean of its divisors is an integer number (200379510).

Almost surely, 2^2201101123 is an apocalyptic number.

2201101123 is a deficient number, since it is larger than the sum of its proper divisors (203452997).

2201101123 is a wasteful number, since it uses less digits than its factorization.

2201101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115398 (or 115385 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2201101123 is about 46915.8941404723. The cubic root of 2201101123 is about 1300.8083971989.

Adding to 2201101123 its reverse (3211011022), we get a palindrome (5412112145).

The spelling of 2201101123 in words is "two billion, two hundred one million, one hundred one thousand, one hundred twenty-three".