2111231034 has 64 divisors (see below), whose sum is σ = 5149025280. Its totient is φ = 635906160.

The previous prime is 2111231027. The next prime is 2111231039. The reversal of 2111231034 is 4301321112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2111230998 and 2111231016.

It is not an unprimeable number, because it can be changed into a prime (2111231039) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 88557 + ... + 109839.

It is an arithmetic number, because the mean of its divisors is an integer number (80453520).

Almost surely, 2^2111231034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111231034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2574512640).

2111231034 is an abundant number, since it is smaller than the sum of its proper divisors (3037794246).

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

2111231034 is a wasteful number, since it uses less digits than its factorization.

2111231034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21472 (or 21466 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2111231034 is about 45948.1341732175. The cubic root of 2111231034 is about 1282.8580006695.

Adding to 2111231034 its reverse (4301321112), we get a palindrome (6412552146).

The spelling of 2111231034 in words is "two billion, one hundred eleven million, two hundred thirty-one thousand, thirty-four".