2101231033 has 32 divisors (see below), whose sum is σ = 2525644800. Its totient is φ = 1725609600.

The previous prime is 2101230983. The next prime is 2101231049. The reversal of 2101231033 is 3301321012.

It is not a de Polignac number, because 2101231033 - 2²⁹ = 1564360121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101230998 and 2101231016.

It is not an unprimeable number, because it can be changed into a prime (2101231333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2504028 + ... + 2504866.

It is an arithmetic number, because the mean of its divisors is an integer number (78926400).

Almost surely, 2^2101231033 is an apocalyptic number.

2101231033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2101231033 is a deficient number, since it is larger than the sum of its proper divisors (424413767).

2101231033 is a wasteful number, since it uses less digits than its factorization.

2101231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2101231033 is about 45839.1866529065. The cubic root of 2101231033 is about 1280.8293439197.

Adding to 2101231033 its reverse (3301321012), we get a palindrome (5402552045).

The spelling of 2101231033 in words is "two billion, one hundred one million, two hundred thirty-one thousand, thirty-three".