2123011 has 8 divisors (see below), whose sum is σ = 2452464. Its totient is φ = 1816320.

The previous prime is 2122979. The next prime is 2123027. The reversal of 2123011 is 1103212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123011 - 2⁵ = 2122979 is a prime.

It is a super-2 number, since 2×2123011² = 9014351412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (306558).

2^2123011 is an apocalyptic number.

2123011 is a deficient number, since it is larger than the sum of its proper divisors (329453).

2123011 is a wasteful number, since it uses less digits than its factorization.

2123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11381.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2123011 is about 1457.0555926251. The cubic root of 2123011 is about 128.5239550186.

Adding to 2123011 its reverse (1103212), we get a palindrome (3226223).

It can be divided in two parts, 212 and 3011, that added together give a palindrome (3223).

The spelling of 2123011 in words is "two million, one hundred twenty-three thousand, eleven".