2011021122 has 16 divisors (see below), whose sum is σ = 4387682592. Its totient is φ = 609400320.

The previous prime is 2011021121. The next prime is 2011021141. The reversal of 2011021122 is 2211201102.

It is a junction number, because it is equal to n+sod(n) for n = 2011021098 and 2011021107.

It is not an unprimeable number, because it can be changed into a prime (2011021121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15234943 + ... + 15235074.

It is an arithmetic number, because the mean of its divisors is an integer number (274230162).

Almost surely, 2^2011021122 is an apocalyptic number.

2011021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2011021122 is an abundant number, since it is smaller than the sum of its proper divisors (2376661470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011021122 is a wasteful number, since it uses less digits than its factorization.

2011021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30470033.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2011021122 is about 44844.4101533290. The cubic root of 2011021122 is about 1262.2311024484.

Adding to 2011021122 its reverse (2211201102), we get a palindrome (4222222224).

The spelling of 2011021122 in words is "two billion, eleven million, twenty-one thousand, one hundred twenty-two".