2011122430 has 8 divisors (see below), whose sum is σ = 3620020392. Its totient is φ = 804448968.

The previous prime is 2011122419. The next prime is 2011122493. The reversal of 2011122430 is 342211102.

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

It is a super-2 number, since 2×2011122430² = 8089226856898209800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100556112 + ... + 100556131.

It is an arithmetic number, because the mean of its divisors is an integer number (452502549).

Almost surely, 2^2011122430 is an apocalyptic number.

2011122430 is a deficient number, since it is larger than the sum of its proper divisors (1608897962).

2011122430 is a wasteful number, since it uses less digits than its factorization.

2011122430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201112250.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2011122430 is about 44845.5396890259. The cubic root of 2011122430 is about 1262.2522976446.

Adding to 2011122430 its reverse (342211102), we get a palindrome (2353333532).

The spelling of 2011122430 in words is "two billion, eleven million, one hundred twenty-two thousand, four hundred thirty".