2111355 has 12 divisors (see below), whose sum is σ = 3659760. Its totient is φ = 1126032.

The previous prime is 2111353. The next prime is 2111357. The reversal of 2111355 is 5531112.

It is an interprime number because it is at equal distance from previous prime (2111353) and next prime (2111357).

It is not a de Polignac number, because 2111355 - 2¹ = 2111353 is a prime.

2111355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2111353) 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, 23415 + ... + 23504.

It is an arithmetic number, because the mean of its divisors is an integer number (304980).

2^2111355 is an apocalyptic number.

2111355 is a deficient number, since it is larger than the sum of its proper divisors (1548405).

2111355 is a wasteful number, since it uses less digits than its factorization.

2111355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46930 (or 46927 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 2111355 is about 1453.0502400124. The cubic root of 2111355 is about 128.2883108874.

Adding to 2111355 its reverse (5531112), we get a palindrome (7642467).

The spelling of 2111355 in words is "two million, one hundred eleven thousand, three hundred fifty-five".