2011002122 has 4 divisors (see below), whose sum is σ = 3016503186. Its totient is φ = 1005501060.

The previous prime is 2011002109. The next prime is 2011002239. The reversal of 2011002122 is 2212001102.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1579983001 + 431019121 = 39749^2 + 20761^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502750529 + ... + 502750532.

Almost surely, 2^2011002122 is an apocalyptic number.

2011002122 is a deficient number, since it is larger than the sum of its proper divisors (1005501064).

2011002122 is a wasteful number, since it uses less digits than its factorization.

2011002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005501063.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2011002122 is about 44844.1983092574. The cubic root of 2011002122 is about 1262.2271272761.

Adding to 2011002122 its reverse (2212001102), we get a palindrome (4223003224).

The spelling of 2011002122 in words is "two billion, eleven million, two thousand, one hundred twenty-two".