2211051 has 4 divisors (see below), whose sum is σ = 2948072. Its totient is φ = 1474032.

The previous prime is 2211029. The next prime is 2211061. The reversal of 2211051 is 1501122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2211051 - 2⁵ = 2211019 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368506 + ... + 368511.

It is an arithmetic number, because the mean of its divisors is an integer number (737018).

2^2211051 is an apocalyptic number.

2211051 is a deficient number, since it is larger than the sum of its proper divisors (737021).

2211051 is an equidigital number, since it uses as much as digits as its factorization.

2211051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737020.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2211051 is about 1486.9603222682. The cubic root of 2211051 is about 130.2765513098.

Adding to 2211051 its reverse (1501122), we get a palindrome (3712173).

The spelling of 2211051 in words is "two million, two hundred eleven thousand, fifty-one".