2011203122 has 16 divisors (see below), whose sum is σ = 3333146112. Its totient is φ = 905298240.

The previous prime is 2011203113. The next prime is 2011203133. The reversal of 2011203122 is 2213021102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011203097 and 2011203106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285154 + ... + 1286717.

It is an arithmetic number, because the mean of its divisors is an integer number (208321632).

Almost surely, 2^2011203122 is an apocalyptic number.

2011203122 is a deficient number, since it is larger than the sum of its proper divisors (1321942990).

2011203122 is a wasteful number, since it uses less digits than its factorization.

2011203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571913.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011203122 is about 44846.4393458388. The cubic root of 2011203122 is about 1262.2691791463.

Adding to 2011203122 its reverse (2213021102), we get a palindrome (4224224224).

The spelling of 2011203122 in words is "two billion, eleven million, two hundred three thousand, one hundred twenty-two".