2102244444111 has 48 divisors (see below), whose sum is σ = 3360457161600. Its totient is φ = 1164903913152.

The previous prime is 2102244444089. The next prime is 2102244444149. The reversal of 2102244444111 is 1114444422012.

It is not a de Polignac number, because 2102244444111 - 2¹¹ = 2102244442063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102244444511) 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, 317716 + ... + 2074953.

It is an arithmetic number, because the mean of its divisors is an integer number (70009524200).

Almost surely, 2^{2102244444111} is an apocalyptic number.

2102244444111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2102244444111 is a deficient number, since it is larger than the sum of its proper divisors (1258212717489).

2102244444111 is a wasteful number, since it uses less digits than its factorization.

2102244444111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392868 (or 2392861 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 2102244444111 its reverse (1114444422012), we get a palindrome (3216688866123).

The spelling of 2102244444111 in words is "two trillion, one hundred two billion, two hundred forty-four million, four hundred forty-four thousand, one hundred eleven".