2011021244 has 12 divisors (see below), whose sum is σ = 3530533104. Its totient is φ = 1002297504.

The previous prime is 2011021231. The next prime is 2011021297. The reversal of 2011021244 is 4421201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801872 + ... + 804375.

It is an arithmetic number, because the mean of its divisors is an integer number (294211092).

Almost surely, 2^2011021244 is an apocalyptic number.

It is an amenable number.

2011021244 is a deficient number, since it is larger than the sum of its proper divisors (1519511860).

2011021244 is a wasteful number, since it uses less digits than its factorization.

2011021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606564 (or 1606562 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2011021244 is about 44844.4115135877. The cubic root of 2011021244 is about 1262.2311279731.

Adding to 2011021244 its reverse (4421201102), we get a palindrome (6432222346).

The spelling of 2011021244 in words is "two billion, eleven million, twenty-one thousand, two hundred forty-four".